Flange Nut UNC Flange Nut UNF
FLANGE NUT UNC / UNF
ZINC
36711024 #10-24 36711024 #10-24
36711420 1/4-20 36711420 1/4-20
367151618 5/16-18 367151618 5/16-18
36713816

3/8-16

36713816 3/8-16
367171614

7/16-14

 367171614 7/16-14
36711213 1/2-13 36711213 1/2-13
Flange Lock Nut UNC

Copper Flange Nut

FLANGE LOCK NUT UNC GRADE 8
GRADE 8 BLACK
 
ZINC
37112 1/2-13 3668 8-1.25 12wr
37158 5/8-11 36610 8-1.25 10wr
    36610141 10-1.25 14wr
Hex Flange Nut Nyloc
Hex Flange Nyloc Yellow Zinc #368                          
YELLOW ZINC                                           ZINC
 
3685F 5-0.8 ZINC
36806F 6-1.0 YELLOW ZINC
3686F 6-1.0 ZINC
36808F 8-1.25 YELLOW ZINC
3688F 8-1.25 ZINC
36810F 10-1.5 ZINC
36812F 12-1.75 ZINC
Flange Nut Metric
Flange Nut Zinc #394
ZINC
BLACK ZINC
YELLOW ZINC
STAINLESS STEEL
PART # SIZE WRENCH DESCRIPTION 
3944 4-0.7   ZINC
3945 5-0.8   ZINC
39451 5-0.8   BLACK
3946 6-1.0   ZINC
39461 6-1.0   BLACK
3976 6-1.0   STAINLESS STEEL
3948 8-1.25 13wr ZINC
39481 8-1.25 13wr BLACK
3940812 8-1.25 12wr YELLOW ZINC JIS TOPLOCK
394812 8-1.25 12wr ZINC
397812 8-1.25 12wr STAINLESS STEEL
39410 10-1.5 15wr ZINC
39410B 10-1.5 15wr BLACK
3941015 10-1.5 15wr TOP LOCK
39410141 10-1.25 14wr JIS ZINC
39410141S 10-1.25 14wr JIS SMOOTH
394010141 10-1.25 14wr YELLOW ZINC JIS TOPLOCK
39710141 10-1.25 14wr STAINLESS STEEL
394121 12-1.75    BLACK  27mm-Washer
39412171 12-1.25 17wr ZINC
39420 20-2.5   ZINC
Free-Spinning Washer Nut
PICTURE PART # SIZE  HEX SIZE WASHER O.D HEIGHT OEM DESCRIPTION 
50115347

1/4-20

7/16

7/8

5/16

 GM PHOSPHATE

45334
6023204
6025004
50115325 M4-0.7 9mm 12mm 4.5mm GM PHOSPHATE
11505175
50115326 M5-0.8 10mm 15mm 7mm GM PHOSPHATE
N621903
50115327 M5-0.8 10mm 19mm 7mm GM PHOSPHATE
11504614
50112595 M6-1.0 10mm 16mm 7mm GM PHOSPHATE
11505329
11503752
N90100001
50112596 M6-1.0 11mm 19mm 9.5mm GM PHOSPHATE
11503754
11503756
6100049
50115332 M6-1.0 11mm 24mm 9mm GM ZINC & YELLOW
N621907
50111642 6.3-1.0 11mm 16mm   GM PHOSPHATE
11501106
50115334 M8-1.25 13mm 19mm 10mm GM PHOSPHATE
11501800
50115335 M8-1.25 13mm 24mm 10.5mm GM PHOSPHATE
11503695
11506117
N621940
50115337 M10-1.5 15mm 24mm 13mm GM PHOSPHATE
N621942
SPIN LOCK NUT with SERRATIONS
LARGE FLANGE
PICTURE PART # THREAD SIZE  FLANGE OD HEX WIDTH OEM DESCRIPTION 
5012769 1/4-20 11/16 7/16   BLACK PHOSPHATE
5015167 5/16-18 13/16 1/2 GM BLACK PHOSPHATE
N621900
N800466