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Brass Nuts |
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DIAMETER SIZE |
SERIES |
A |
B |
C |
D |
E |
G |
WING
SPREAD |
WING
HEIGHT |
WING
THICKNESS |
BETWEEN
WINGS |
BOSS
DIAMETER |
BOSS
HEIGHT |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
3 |
0.099 |
H |
0.720 |
0.590 |
0.410 |
0.280 |
0.110 |
0.070 |
0.210 |
0.170 |
0.330 |
0.290 |
0.140 |
0.010 |
4 |
0.112 |
H |
0.720 |
0.590 |
0.410 |
0.280 |
0.110 |
0.070 |
0.210 |
0.170 |
0.330 |
0.290 |
0.140 |
0.010 |
5 |
0.125 |
*L |
0.720 |
0.590 |
0.410 |
0.280 |
0.110 |
0.070 |
0.210 |
0.170 |
0.330 |
0.290 |
0.140 |
0.010 |
5 |
0.125 |
H |
0.910 |
0.780 |
0.470 |
0.340 |
0.140 |
0.100 |
0.270 |
0.220 |
0.430 |
0.390 |
0.180 |
0.140 |
6 |
0.138 |
L |
0.720 |
0.590 |
0.410 |
0.280 |
0.110 |
0.070 |
0.210 |
0.170 |
0.330 |
0.290 |
0.140 |
0.010 |
6 |
0.138 |
*H |
0.910 |
0.780 |
0.470 |
0.340 |
0.140 |
0.100 |
0.270 |
0.220 |
0.430 |
0.390 |
0.180 |
0.140 |
8 |
0.164 |
*L |
0.910 |
0.780 |
0.470 |
0.340 |
0.140 |
0.100 |
0.270 |
0.220 |
0.430 |
0.390 |
0.180 |
0.140 |
8 |
0.164 |
H |
1.100 |
0.970 |
0.570 |
0.430 |
0.180 |
0.140 |
0.330 |
0.260 |
0.500 |
0.450 |
0.220 |
0.170 |
10 |
0.190 |
*L |
0.910 |
0.780 |
0.470 |
0.340 |
0.140 |
0.100 |
0.270 |
0.220 |
0.430 |
0.390 |
0.180 |
0.140 |
10 |
0.190 |
H |
1.100 |
0.970 |
0.570 |
0.430 |
0.180 |
0.140 |
0.330 |
0.260 |
0.500 |
0.450 |
0.220 |
0.170 |
12 |
0.216 |
*L |
1.100 |
0.970 |
0.570 |
0.430 |
0.180 |
0.140 |
0.330 |
0.260 |
0.500 |
0.450 |
0.220 |
0.170 |
12 |
0.216 |
H |
1.250 |
1.120 |
0.660 |
0.530 |
0.210 |
0.170 |
0.390 |
0.320 |
0.580 |
0.510 |
0.250 |
0.200 |
1/4 |
0.250 |
*L |
1.100 |
0.970 |
0.570 |
0.430 |
0.180 |
0.140 |
0.330 |
0.260 |
0.500 |
0.450 |
0.220 |
0.170 |
1/4 |
0.250 |
R |
1.250 |
1.120 |
0.660 |
0.530 |
0.210 |
0.170 |
0.390 |
0.320 |
0.580 |
0.510 |
0.250 |
0.200 |
1/4 |
0.250 |
H |
1.440 |
1.310 |
0.790 |
0.650 |
0.240 |
0.200 |
0.480 |
0.420 |
0.700 |
0.640 |
0.300 |
0.260 |
5/16 |
0.313 |
*L |
1.250 |
1.120 |
0.660 |
0.530 |
0.210 |
0.170 |
0.390 |
0.320 |
0.580 |
0.510 |
0.250 |
0.200 |
5/16 |
0.313 |
R |
1.440 |
1.310 |
0.790 |
0.650 |
0.240 |
0.200 |
0.480 |
0.420 |
0.700 |
0.640 |
0.300 |
0.260 |
5/16 |
0.313 |
H |
1.940 |
1.810 |
1.000 |
0.870 |
0.330 |
0.260 |
0.650 |
0.540 |
0.930 |
0.860 |
0.390 |
0.350 |
3/8 |
0.375 |
*L |
1.440 |
1.310 |
0.790 |
0.650 |
0.240 |
0.200 |
0.480 |
0.420 |
0.700 |
0.640 |
0.300 |
0.260 |
3/8 |
0.375 |
R |
1.940 |
1.810 |
1.000 |
0.870 |
0.330 |
0.260 |
0.650 |
0.540 |
0.930 |
0.860 |
0.390 |
0.350 |
7/16 |
0.438 |
*L |
1.940 |
1.810 |
1.000 |
0.870 |
0.330 |
0.260 |
0.650 |
0.540 |
0.930 |
0.860 |
0.390 |
0.350 |
7/16 |
0.438 |
H |
2.760 |
2.620 |
1.440 |
1.310 |
0.400 |
0.340 |
0.900 |
0.800 |
1.190 |
1.130 |
0.550 |
0.510 |
1/2 |
0.500 |
*L |
1.940 |
1.810 |
1.000 |
0.870 |
0.330 |
0.260 |
0.650 |
0.540 |
0.930 |
0.860 |
0.390 |
0.350 |
1/2 |
0.500 |
H |
2.760 |
2.620 |
1.440 |
1.310 |
0.400 |
0.340 |
0.900 |
0.800 |
1.190 |
1.130 |
0.550 |
0.510 |
* Designates preferred series/sizes fo each diameter. Series designations are: |
L = Light Series |
H = Heavy Series |
R = Regular Series |
Forged wing nuts are available in a variety of wing shapes and boss dimensions. The above dimensions are for Type A, also known as Type 1 Style A-1 of Federal Specification FF-N-845. Stamped wing nuts are also available by request. For more information, ask your Fast Fastners sales representative. |
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