Ansi Standard (IFI K-4)
|
Nominal WasherSize No. |
A |
B |
C |
||||||||
|
Inside
Diameter |
Outside
Diameter |
Thickness |
|||||||||
|
Basic |
Tolerance |
Basic |
Tolerance |
Basic |
Max. |
Min. |
|||||
|
Plus |
Minus |
Plus |
Minus |
||||||||
|
- |
- |
|
0.078 |
0.000 |
0.005 |
0.188 |
0.000 |
0.005 |
0.020 |
0.025 |
0.016 |
|
- |
- |
|
0.094 |
0.000 |
0.005 |
0.250 |
0.000 |
0.005 |
0.020 |
0.025 |
0.016 |
|
- |
- |
|
0.125 |
0.008 |
0.005 |
0.312 |
0.008 |
0.005 |
0.032 |
0.040 |
0.025 |
|
6 |
0.138 |
|
0.156 |
0.008 |
0.005 |
0.375 |
0.015 |
0.005 |
0.049 |
0.065 |
0.036 |
|
8 |
0.164 |
|
0.188 |
0.008 |
0.005 |
0.438 |
0.015 |
0.005 |
0.049 |
0.065 |
0.036 |
|
10 |
0.190 |
|
0.219 |
0.008 |
0.005 |
0.500 |
0.015 |
0.005 |
0.049 |
0.065 |
0.036 |
|
3/16 |
0.188 |
|
0.250 |
0.015 |
0.005 |
0.562 |
0.015 |
0.005 |
0.049 |
0.065 |
0.036 |
|
12 |
0.216 |
|
0.250 |
0.015 |
0.005 |
0.562 |
0.015 |
0.005 |
0.065 |
0.080 |
0.051 |
|
1/4 |
0.250 |
N |
0.281 |
0.015 |
0.005 |
0.625 |
0.015 |
0.005 |
0.065 |
0.080 |
0.051 |
|
1/4 |
0.250 |
W |
0.312 |
0.015 |
0.005 |
0.734 |
0.015 |
0.007 |
0.065 |
0.080 |
0.051 |
|
5/16 |
0.312 |
N |
0.344 |
0.015 |
0.005 |
0.688 |
0.015 |
0.007 |
0.065 |
0.080 |
0.051 |
|
5/16 |
0.312 |
W |
0.375 |
0.015 |
0.005 |
0.875 |
0.030 |
0.007 |
0.065 |
0.104 |
0.064 |
|
3/8 |
0.375 |
N |
0.406 |
0.015 |
0.005 |
0.812 |
0.015 |
0.007 |
0.065 |
0.080 |
0.051 |
|
3/8 |
0.375 |
W |
0.438 |
0.015 |
0.005 |
1.000 |
0.030 |
0.007 |
0.083 |
0.104 |
0.064 |
|
7/16 |
0.438 |
N |
0.469 |
0.015 |
0.005 |
0.922 |
0.015 |
0.007 |
0.065 |
0.080 |
0.051 |
|
7/16 |
0.438 |
W |
0.500 |
0.015 |
0.005 |
1.250 |
0.030 |
0.007 |
0.083 |
0.104 |
0.064 |
|
1/2 |
0.500 |
N |
0.531 |
0.015 |
0.005 |
1.062 |
0.030 |
0.007 |
0.095 |
0.121 |
0.074 |
|
½ |
0.500 |
W |
0.562 |
0.015 |
0.005 |
1.375 |
0.030 |
0.007 |
0.109 |
0.132 |
0.086 |
|
9/16 |
0.562 |
N |
0.594 |
0.015 |
0.005 |
1.156 |
0.030 |
0.007 |
0.095 |
0.121 |
0.074 |
|
9/16 |
0.526 |
W |
0.625 |
0.015 |
0.005 |
1.469 |
0.030 |
0.007 |
0.109 |
0.132 |
0.086 |
|
5/8 |
0.625 |
N |
0.656 |
0.030 |
0.007 |
1.312 |
0.030 |
0.007 |
0.095 |
0.121 |
0.074 |
|
5/8 |
0.625 |
W |
0.688 |
0.030 |
0.007 |
1.750 |
0.030 |
0.007 |
0.134 |
0.160 |
0
.108 |
|
3/4 |
0.750 |
N |
0.812 |
0.030 |
0.007 |
1.469 |
0.030 |
0.007 |
0.134 |
0.160 |
0.108 |
|
3/4 |
0.750 |
W |
0.812 |
0.030 |
0.007 |
2.000 |
0.030 |
0.007 |
0.148 |
0.177 |
0.122 |
|
7/8 |
0.875 |
N |
0.938 |
0.030 |
0.007 |
1.750 |
0.030 |
0.007 |
0.134 |
0.160 |
0.108 |
|
7/8 |
0.875 |
W |
0.938 |
0.030 |
0.007 |
2.250 |
0.030 |
0.007 |
0.165 |
0.192 |
0.136 |
|
1 |
1.000 |
N |
1.062 |
0.030 |
0.007 |
2.000 |
0.030 |
0.007 |
0.134 |
0.160 |
0.108 |
|
1 |
1.000 |
W |
1.062 |
0.030 |
0.007 |
2.500 |
0.030 |
0.007 |
0.165 |
0.192 |
0.136 |
|
1-1/8 |
1.125 |
N |
1.250 |
0.030 |
0.007 |
2.250 |
0.030 |
0.007 |
0.134 |
0.160 |
0.108 |
|
1-1/8 |
1.125 |
W |
1.250 |
0.030 |
0.007 |
2.750 |
0.030 |
0.007 |
0.165 |
0.192 |
0.136 |
|
1-1/4 |
1.250 |
N |
1.375 |
0.030 |
0.007 |
2.500 |
0.030 |
0.007 |
0.165 |
0.192 |
0.136 |
|
1-1/4 |
1.250 |
W |
1.375 |
0.030 |
0.007 |
3.000 |
0.030 |
0.007 |
0.165 |
0.192 |
0.136 |
|
1-3/8 |
1.375 |
N |
1.500 |
0.030 |
0.007 |
2.750 |
0.030 |
0.007 |
0.165 |
0.192 |
0.136 |
|
1-3/8 |
1.375 |
W |
1.500 |
0.045 |
0.010 |
3.250 |
0.030 |
0.010 |
0.180 |
0.213 |
0.153 |
|
1-1/2 |
1.500 |
N |
1.625 |
0.045 |
0.007 |
3.000 |
0.030 |
0.007 |
0.165 |
0.192 |
0.136 |
|
1-1/2 |
1.500 |
W |
1.625 |
0.045 |
0.010 |
3.500 |
0.045 |
0.010 |
0.180 |
0.213 |
0.153 |
|
1-5/8 |
1.625 |
|
1.750 |
0.045 |
0.010 |
3.750 |
0.045 |
0.010 |
0.180 |
0.213 |
0.153 |
|
1-3/4 |
1.750 |
|
1.875 |
0.045 |
0.010 |
4.000 |
0.045 |
0.010 |
0.180 |
0.213 |
0.153 |
|
1-7/8 |
1.875 |
|
2.000 |
0.045 |
0.010 |
4.250 |
0.045 |
0.010 |
0.180 |
0.213 |
0.153 |
|
2 |
2.000 |
|
2.125 |
0.045 |
0.010 |
4.500 |
0.045 |
0.010 |
0.180 |
0.213 |
0.153 |
|
2-1/4 |
2.375 |
|
2.375 |
0.045 |
0.010 |
4.750 |
0.045 |
0.010 |
0.220 |
0.248 |
0.193 |
|
2-1/2 |
2.625 |
|
2.625 |
0.045 |
0.010 |
5.000 |
0.045 |
0.010 |
0.238 |
0.280 |
0.210 |
|
2-44 |
2.875 |
|
2.875 |
0.065 |
0.010 |
5.250 |
0.065 |
0.010 |
0.259 |
0.310 |
0.228 |
|
3 |
3.125 |
|
3.125 |
0.065 |
0.010 |
5.500 |
0.065 |
0.010 |
0.284 |
0.327 |
0.249 |