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1/2 Flange Lock Nuts

Non-Serrated Flange Lock Nuts, or simply Flange Lock Nuts, have a wide flange at one end. The flange distributes the tightening torque over a wider area, but the locking function is provided by some other feature such as top-lock, center-lock, nylon insert.

113 results, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Jay-CeeMILock Nut, Flange, w/o serrationsGrade FBlack Oxide1/2-131/2-13 non serrated flange locknut grade f black e-coat(600-0423/f63880002xxx)inquire
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Set ScrewILLock Nut, Flange, w/o serrationsSteelZinc/Clear1/2-13flange center lock nutinquire
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AbabaCALock Nut, Flange, w/o serrationsGrade 8Plain1/2-131/2-13 non-serrated flange nut gr 8 pln221
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AbabaCALock Nut, Flange, w/o serrationsGrade GPlain1/2-131/2-13 conical flg lock nut gr.g hrd stl pln175
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WeaverWALock Nut, Flange, w/o serrationsGrade GPlain1/2-131/2-13 gr g flange all steel lock nut plain544
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AmericanNYLock Nut, Flange, w/o serrationsSteelZinc/Clear1/2-13side lock flange nut pl10000
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B & K FASTPALock Nut, Flange, w/o serrationsGrade GPlain1/2-131/2-13 cone flange locknuts gr g plain275
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B & K FASTPALock Nut, Flange, w/o serrationsGrade GZinc/Clear1/2-131/2-13 cone flange locknuts gr g zinc37
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YANKEENHLock Nut, Flange, w/o serrationsSteelPlain1/2-13hex flanged didstored-thread lock nut grade-g938
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ACCURATEILLock Nut, Flange, w/o serrationsGrade GPhosphate1/2-13flange lock nut grade g blk phos592
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WDMBIALock Nut, Flange, w/o serrationsGrade FZinc/Yellow1/2-13nut hex flange top lock grf (zy) 1/2-13 (W000)972
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CenturyFLLock Nut, Flange, w/o serrationsSteelPlain1/2-131/2-13 stover flanged locknut (GRADE G PHOS & OIL (GR-8)) (GRADE G PHOS & OIL (GR-8)) 2150
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RAMCOOHLock Nut, Flange, w/o serrationsGrade GGalvanized1/2-13flange lock nut1/2-13 grade g1,000
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FPlain1/2-13flange lock nut1/2-13 grade f5,600
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FPlain1/2-13flange lock nut1/2-13 grade f13,300
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RAMCOOHLock Nut, Flange, w/o serrationsGrade GGalvanized1/2-13flange lock nut1/2-13 grade g11,000
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RAMCOOHLock Nut, Flange, w/o serrationsGrade FPlain1/2-13flange lock nut1/2-13 grade f505
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GLFOHLock Nut, Flange, w/o serrationsGrade 8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)1/2-131/2-13 spiralock hex flange nut gr 8 stl magni 575 per ps-10378 () ()5284
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GLFOHLock Nut, Flange, w/o serrationsGrade 8Plain1/2-131/2-13 hex flange nut gr 8 stl pln () ()180
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CIFILLock Nut, Flange, w/o serrationsGrade 8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)1/2-131/2-13 all metal prevailing torque locknut with flange no serrations grade 8 plated per tms 4518 type ii (magni 511) (20031) (20031) (5331) ()3231
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SISAZLock Nut, Flange, w/o serrationsGrade 8Plain1/2-131/2-13 hex flange lock nut gr. 8 steel300
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AmericanNYLock Nut, Flange, w/o serrationsSteelCadmium1/2-13flange top lock nut cad pl200
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NAPPCOTXLock Nut, Flange, w/o serrationsGrade GZinc/Yellow1/2-131/2-13 flange lock nut grade g zy (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS) (165-LOCKNUTS)622
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THRDFASTFLLock Nut, Flange, w/o serrationsSteelZinc/Clear1/2-13hex flange lock nut48
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THRDFASTTNLock Nut, Flange, w/o serrations316, 317, A4 StainlessPlain1/2-13t-316 ss hex flange lock nut21
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AztechILLock Nut, Flange, w/o serrationsSteelPlain1/2-13large flg center lock2,931
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AztechILLock Nut, Flange, w/o serrationsSteelPlain1/2-13reg flg center lock650
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AztechILLock Nut, Flange, w/o serrationsSteelPlain1/2-13reg flg tech lock130
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BoltCraftNELock Nut, Flange, w/o serrationsGrade GZinc/Yellow1/2-131/2-13 non serrated flange lock nut grade g zinc/yellow 600/ctn7200
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BoltCraftNELock Nut, Flange, w/o serrationsGrade GPhosphate1/2-131/2-13 non serrated flange lock nut grade g black phosphate 800/ctn-100/pkg1030
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EndriesWILock Nut, Flange, w/o serrationsGrade FZinc/Yellow1/2-131/2-13 grade f flange center locknut yellow zinc and wax700
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EndriesWILock Nut, Flange, w/o serrationsGrade FZinc/Yellow1/2-131/2-13 grade f flange tech locknut yellow zinc and wax202
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NutsBoltsNELock Nut, Flange, w/o serrationsGrade GPhosphate1/2-131/2-13 flange locknut gr g phos & oil1806
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NutsBoltsNELock Nut, Flange, w/o serrationsGrade FZinc/Clear1/2-131/2-13 flange oval locknut gr.f zinc & wax100775
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NutsBoltsNELock Nut, Flange, w/o serrationsGrade FZinc/Clear1/2-131/2-13 flange oval locknut gr.f zinc & wax50000
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NutsBoltsNELock Nut, Flange, w/o serrationsGrade FZinc/Clear1/2-131/2-13 flange oval locknut gr.f zinc & wax 450000
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NutsBoltsNELock Nut, Flange, w/o serrationsSteelZinc/Clear1/2-131/2-13 flange locknut zp719
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THRDFASTMSLock Nut, Flange, w/o serrationsGrade 8Plain1/2-13gr 8 hex flange lock nut1,260
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SWACOOHLock Nut, Flange, w/o serrationsGrade GPhosphate1/2-131/2-13 torque flange l/n grg p&o13
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ASMCILLock Nut, Flange, w/o serrationsGrade GPhosphate1/2-13coarse grg stover all metal flange locknut med carb phos624
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QFCTXLock Nut, Flange, w/o serrationsGrade GZinc/Clear1/2-131/2-13 flange lock nut grade g zinc400
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KomarMOLock Nut, Flange, w/o serrationsSteelZinc/Clear1/2-13 spiralock hex flange nuts zinc3568
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BHAMALLock Nut, Flange, w/o serrationsSteelPlain1/2-131/2-13 spherical flange l/nut698
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ZAL INDUSCALock Nut, Flange, w/o serrationsSteelZinc/Clear1/2-131/2-13 flange nut with center lock pltd94,612
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ZAL INDUSCALock Nut, Flange, w/o serrationsSteelPlain1/2-131/2-13 stover lock nuts flange style640
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FastWareSaskLock Nut, Flange, w/o serrationsGrade GZinc/Clear1/2-131/2-13 nc flange toplock nut59
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ASMCILLock Nut, Flange, w/o serrationsSteelPlain1/2-13coarse heavy flange nut med carb49
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Alma BoltMILock Nut, Flange, w/o serrationsGrade GZinc/Clear1/2-13flanged hex nut (no lock)476
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MESAFASTCALock Nut, Flange, w/o serrationsGrade GZinc/Clear1/2-131/2-13 regular flange toplock nut grade g steel zinc600.0
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Kanebridge ILLock Nut, Flange, w/o serrationsSteelZinc/Clear1/2-131/2-13 non-serrated flange hex nuts case hardened hr15n 78/90 zinc and bake6.250
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Kanebridge ILLock Nut, Flange, w/o serrationsSteelZinc/Clear1/2-131/2-13 nylon insert flange stop hex lock nut zinc7.500
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LibertyILLock Nut, Flange, w/o serrationsSteelBlack Oxide1/2-13flange nut self-locking self-locking476
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Kanebridge ILLock Nut, Flange, w/o serrationsGrade GZinc/Yellow1/2-131/2-13 regular flange top lock hex nut grade g zinc yellow15,000
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Kanebridge ILLock Nut, Flange, w/o serrationsSteelZinc/Clear1/2-131/2-13 non serrated regular flange center locknut grade f zinc18.750
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CONTAERONJLock Nut, Flange, w/o serrationsGrade 8Plain1/2-13nylon flng30
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CONTAERONJLock Nut, Flange, w/o serrationsGrade GPhosphate1/2-13flange toplock gr. g 72 hr phos/o344804
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CONTAERONJLock Nut, Flange, w/o serrationsGrade GPhosphate1/2-13flange toplock gr. g phos/oil2350
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CONTAERONJLock Nut, Flange, w/o serrationsGrade 8Black Oxide1/2-13nylon flng /229886
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CONTAERONJLock Nut, Flange, w/o serrationsGrade GZinc/Yellow1/2-13flange toplock gr.g .0002 z&y/wax350
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CONTAERONJLock Nut, Flange, w/o serrationsGrade GBlack Oxide1/2-13gr.g flange toplock cad&wax95
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ASMCILLock Nut, Flange, w/o serrationsGrade GZinc/Yellow1/2-13coarse grg stover all metal flange locknut med carb382
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EndriesWILock Nut, Flange, w/o serrationsGrade FZinc/Clear1/2-13 grade f flange center locknut zinc & wax | wax13384
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EndriesWILock Nut, Flange, w/o serrationsGrade GZinc/Clear1/2-13 grade g hex flange locknut hex chromium free 96 hr salt spray zinc2800
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APIIALock Nut, Flange, w/o serrationsGrade GZinc/Clear1/2-13nut hex flg lock 1/2-13 gr g zncl&wax jds14&print wax1,953
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APIIALock Nut, Flange, w/o serrationsGrade FZinc/Clear1/2-13nut f lange lock 1/2-13 gr f zncl & wax print wax13,046
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BAYFASTCOFLLock Nut, Flange, w/o serrationsSteelZinc/Clear1/2-131/2-13 flange lock nut zinc800
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SWACOOHLock Nut, Flange, w/o serrationsGrade GZinc/Yellow1/2-131/2-13 hex flange top lock nut grg zy50
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NAPPCOTXLock Nut, Flange, w/o serrationsGrade 5Zinc/Clear1/2-131/2-13 gr5 zp centerlock flange nut750
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CONTAERONJLock Nut, Flange, w/o serrationsGrade FPlain1/2-131/2-13 flange toplock gr. f9900
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CONTAERONJLock Nut, Flange, w/o serrationsGrade GGalvanized1/2-131/2-13 flange toplock gr. g24047
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OSSCORILock Nut, Flange, w/o serrationsGrade 8Plain1/2-131/2-13 prevailing torq flange nut gr 8150
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Alma BoltMILock Nut, Flange, w/o serrationsGrade GPlain1/2-13finish flanged hex nut (no lock)628
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ManscoMILock Nut, Flange, w/o serrationsGrade FZinc/Yellow1/2-13 centerlock flange nut grf znc yellow216
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CIFILLock Nut, Flange, w/o serrationsGrade 8Zinc/Clear1/2-131/2-13 all metal prevailing torque locknut with flange no serrations grade 8 plated per tms 4523 (7643) ()7643
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BoltCraftNELock Nut, Flange, w/o serrationsGrade FZinc/Yellow1/2-131/2-13 non serrated flange center lock nut grade f zinc/yellow 600/ctn1800
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Valley NuWALock Nut, Flange, w/o serrationsGrade GPlain1/2-13nc flange lock nut pl325
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SWACOOHLock Nut, Flange, w/o serrationsGrade 8Plain1/2-131/2-13 flange locking nut gr 8450
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JET FITTINGCALock Nut, Flange, w/o serrationsGrade GPhosphate1/2-131/2-13 torque flange l/n grg p&o 095021813
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CenturyNYLock Nut, Flange, w/o serrationsGrade GPhosphate1/2-13 stover flanged locknut grade g phos & oil (gr-8)2150
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WeaverWALock Nut, Flange, w/o serrationsGrade GPlain1/2-201/2-20 gr g flange all steel lock nut plain343
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AmericanNYLock Nut, Flange, w/o serrationsSteelPlain1/2-20flange lock nut500
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B & K FASTPALock Nut, Flange, w/o serrationsGrade GPlain1/2-201/2-20 cone flange locknut gr g plain586
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QFCTXLock Nut, Flange, w/o serrationsGrade GPhosphate1/2-201/2-20 hex flange lock nut grade g phos/oil300
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MTPCALock Nut, Flange, w/o serrationsGrade GZinc/Yellow1/2-201/2-20 gr.g yzn top lock flange nuts 800stock
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RAMCOOHLock Nut, Flange, w/o serrationsGrade GGalvanized1/2-20flange lock nut1/2-20 grade g1,300
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RAMCOOHLock Nut, Flange, w/o serrationsGrade GGalvanized1/2-20flange lock nut1/2-20 grade g15,600
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RAMCOOHLock Nut, Flange, w/o serrationsGrade GGalvanized1/2-20flange lock nut1/2-20 grade g26,400
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CIFILLock Nut, Flange, w/o serrationsGrade GDip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)1/2-201/2-20 prevailing torque flange locknut unserrated grade g (8) plated per tms 4518 type ii (magni 511) (241) (241) (241) ()241
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CIFILLock Nut, Flange, w/o serrationsGrade GPhosphate1/2-201/2-20 prevailing torque flange locknut unserrated grade g (8) black phos oil (115650) (93950) (4200) ()95200
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AmericanNYLock Nut, Flange, w/o serrationsSteelCadmium1/2-20toplock nut cad pl mclean fogg500
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AmericanNYLock Nut, Flange, w/o serrationsGrade 8Zinc/Yellow1/2-20gr 8 top lock nut100
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AztechILLock Nut, Flange, w/o serrationsSteelPlain1/2-20reg flg tech lock479
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TPCINLock Nut, Flange, w/o serrationsSteelPlain1/2-20flange top locknut100000
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BoltCraftNELock Nut, Flange, w/o serrationsGrade GPhosphate1/2-20 x 6001/2-20 top lock hex flange nut fine thread grade g phosphate 600/ctn1800
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EndriesWILock Nut, Flange, w/o serrationsGrade GPhosphate1/2-201/2-20 grade g flange locknut phosphate750
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NutsBoltsNELock Nut, Flange, w/o serrationsGrade GPhosphate1/2-201/2-20 flange locknut gr g phos & oil99
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JacksonMSLock Nut, Flange, w/o serrationsGrade GZinc/Clear1/2-20nf flange l/n gr g1980
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ASMCILLock Nut, Flange, w/o serrationsGrade GZinc/Yellow1/2-20fine grg stover all metal flange locknut med carb6
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LibertyILLock Nut, Flange, w/o serrationsGrade GZinc/Clear1/2-201/2-20 hex flange nut toplock3,361
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CONTAERONJLock Nut, Flange, w/o serrationsGrade GBlack Oxide1/2-20flange toplock gr. g /352
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CONTAERONJLock Nut, Flange, w/o serrationsGrade GPlain1/2-20flange toplock gr.g2300
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ASMCILLock Nut, Flange, w/o serrationsGrade GPhosphate1/2-20fine grg stover all metal flange locknut med carb phos1,442
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APIIALock Nut, Flange, w/o serrationsGrade GZinc/Clear1/2-20nut flg top lock 1/2-20 zncl jdm f15 a2c4,054
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Infasco DOHLock Nut, Flange, w/o serrationsGrade GZinc/Yellow1/2-201/2-20 hex flange all metal top locknut gr g unf n zy+l4000
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Infasco DGALock Nut, Flange, w/o serrationsGrade GZinc/Yellow1/2-201/2-20 hex flange all metal top locknut gr g unf n zy+l2400
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Infasco DGALock Nut, Flange, w/o serrationsGrade GPhosphate1/2-201/2-20 hex flange all metal top locknut gr g unf n zph+oil phos / oil88900
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Valley NuWALock Nut, Flange, w/o serrationsGrade GPlain1/2-20nf flange lock nut530
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Infasco DTXLock Nut, Flange, w/o serrationsGrade GPhosphate1/2-201/2-20 all metal flange lock nut grade g fine phos & oil 1/2-2088900
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Infasco DTXLock Nut, Flange, w/o serrationsGrade GZinc/Yellow1/2-201/2-20 hex flange all metal top locknut gr g unf n zy+l 1/2-202400
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QFCTXLock Nut, Flange, w/o serrationsSteelPlain1/21/2nc grg(8) flange l/nut98
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QFCTXLock Nut, Flange, w/o serrationsSteelPlain1/21/2nc grg(8) flange l/nut700
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JacksonMSLock Nut, Flange, w/o serrationsGrade GZinc/Clear1/2nc flange l/n gr g3332
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Kanebridge ILLock Nut, Flange, w/o serrationsGrade 8Zinc/Yellow1/2-13 ce126981/2-13 ce12698 nylon insert flange hex locknut grade 8 zinc yellow2.500
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