Rectangular Flat Nuts

Form A—Cone Impression

tf34-1

SCREW
SIZE
WCL PRODUCT
NUMBER
A B C D E F G LENGTH WIDTH METAL
THICKNESS
8AB FN-610525-1 5/8 19/32 0.028
8AB FN-602925-1 3/4 7/16 0.028
10-32 FN-612107-1 3/4 7/16 0.02
10A FN-612355-1 3/4 7/16 0.02
10B FN-612450-1 3/4 7/16 0.025
10B FN-612455-1 3/4 7/16 0.03
12A FN-612800-1 3/4 1/2 0.035
14A FN-613675-1 1 9/16 0.04
14A FN-617895-1 1 1 9/16 0.04
5/16-18 FN-617950-1 9/16 25/64 0.025

1 Two holes.

Form A—Twin Prong Impression

tf34-2

SCREW
SIZE
WCL PRODUCT
NUMBER
A B C D E F G LENGTH WIDTH METAL
THICKNESS
4-40 FN-610105-1 7/16 1/4 0.012
4A,B FN-602540-1 11/32 17/64 0.02
4A,B FN-602545-1 7 11/32 9/32 0.02
4A,B FN-610110-1 3/8 1/4 0.022
6-32 FN-610200-1 7/16 9/32 0.018
6-32 FN-602525-1 33/64 5/16 0.018
6-32 FN-602520-1 7/8 3/8 0.018
6A,B FN-602550-1 7 11/32 9/32 0.02
6A,B FN-610305-1 1/2 5/16 0.025
8-32 FN-610400-1 1/2 5/16 0.018
8-32 FN-610420-1 5/8 3/8 0.018
8-32 FN-610410-1 5/8 3/8 0.018
8-32 FN-619100-1 3/4 7/16 0.018
8-32 FN-619136-1 7/8 7/16 0.018
8-32 FN-619135-1 7/8 1/2 0.015
8A,B FN-602800-1 5/8 3/8 0.025
8A,B FN-610500-1 5/8 13/32 0.028
8A,B FN-602900-1 5/8 7/16 0.028
8A,B FN-610550-1 7/8 15/32 0.028
10-24 FN-611650-1 5/8 3/8 0.02
10-24 FN-611725-1 3/4 7/16 0.02
10-24 FN-611730-1 3/4 7/16 0.02
10-24 FN-611742-1 3/4 7/16 0.024
10-24 FN-619345-1 3/4 7/16 0.02
10-24 FN-611575-1 1 7/16 0.022
10-24 FN-617200-1 1 1-3/8 3/8 0.022
10-32 FN-612050-1 3/4 7/16 0.018
10A FN-612370-1 3/4 1/2 0.03
10A FN-612371-1 3/4 1/2 0.03
10A FN-612385-1 7/8 1/2 0.03
10A FN-617400-1 7 1-1/4 1/2 0.03
12A FN-612900-1 3/4 1/2 0.03
1/4-20 FN-613355-1 3/4 1/2 0.025
1/4-20 FN-613360-1 3/4 1/2 0.025
1/4-20 FN-613365-1 1 9/16 0.015
1/4-20 FN-613366-1 1 9/16 0.015
1/4-20 FN-613372-1 1 9/16 0.025
14A 1/4-B FN-613600-1 7/8 9/16 0.035
14A FN-613665-1 29/32 9/16 0.035
14A FN-613505-1 1 1 0.035
5/16-18 FN-614010-1 1 9/16 0.015
5/16-18 FN-614020-1 1 5/8 0.028
5/16B FN-614600-1 1-1/8 5/8 0.045
3/8-16 FN-618900-1 1 11/16 0.012
3/8-16 FN-618901-1 1 11/16 0.015
3/8-16 FN-618902-1 1 11/16 0.018
3/8-16 FN-618903-1 1 11/16 0.02
1/2-13 FN-619801-1 11695 7/8 0.01
1/2-13 FN-619800-1 11695 7/8 0.018
1/2-13 FN-619802-1 2 7/8 0.018
5/8-11 FN-615075-1 23405 1 0.015
3/4-10 FN-6115090-1 1-3/4 1 0.02

1 Two Holes.
7 Special; request blueprint

Round Flat Nuts

Form A—Twin Prong Impression

SCREW
SIZE
WCL PRODUCT
NUMBER
A B C D E F G DIAMETER WIDTH WRENCH HOLES METAL
THICKNESS
8-32 FN-618990-1 1/2 5876 0.018
10-24 FN-618100-1 9/16 11722 0.018
10-24 FN-618105-1 7/8 0.012
10-32 FN-619400-1 15-32 7/16 0.015
1/4-20 FN-641000-1 1/2 0.01
1/4-20 FN-618205-1 1/2 0.03
1/4-20 FN-641002-1 9/16 0.018
1/4-20 FN-641001-1 3/4 11722 0.018
5/16-18 FN-619140-1 7/8 11/16 0.012
3/8-16 FN-618356-1 7/8 11722 0.018
3/8-16 FN-618357-1 7/8 11722 0.018
7/16-14 FN-618720-1 31/32 11/16 11722 0.015
7/16-20 FN-618725-1 29/32 11/16 11722 0.015
1/2-20 FN-618700-1 31/32 3/4 11722 0.02