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SAE J403 J411 J405 J404 ASTM B211 B159 B99 QQN286

ASME B 18.21.1 - 2009 (R2016) 

Extra-duty helical spring-lock washers

(SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)

Size
2# 3# 4# 5# 6# 8# 10# 12# 1/4 5/16 3/8
d Nominal Size
max
min
dc max
h min
n min
n1 min
0.0860 0.0990 0.1120 0.1250 0.1380 0.1640 0.1900 0.2160 0.2500 0.3125 0.3750
0.094 0.107 0.120 0.133 0.148 0.174 0.200 0.227 0.260 0.322 0.385
0.088 0.101 0.114 0.127 0.141 0.167 0.193 0.220 0.252 0.314 0.377
0.208 0.239 0.253 0.300 0.314 0.375 0.434 0.497 0.533 0.619 0.738
0.027 0.034 0.034 0.045 0.045 0.057 0.068 0.080 0.084 0.108 0.123
0.053 0.062 0.062 0.079 0.079 0.096 0.112 0.130 0.132 0.143 0.170
0.037 0.043 0.043 0.055 0.055 0.067 0.078 0.091 0.092 0.100 0.119
Size
7/16 1/2 9/16 5/8 11/16 3/4 13/16 7/8 15/16 1 1-1/16
d Nominal Size
max
min
dc max
h min
n min
n1 min
0.4375 0.5000 0.5625 0.6250 0.6875 0.7500 0.8125 0.8750 0.9375 1.0000 1.0625
0.450 0.512 0.574 0.641 0.704 0.766 0.832 0.894 0.958 1.024 1.087
0.440 0.502 0.564 0.628 0.691 0.753 0.816 0.878 0.941 1.003 1.066
0.836 0.935 1.035 1.151 1.252 1.355 1.458 1.571 1.684 1.794 1.905
0.143 0.162 0.182 0.202 0.221 0.241 0.261 0.285 0.308 0.330 0.352
0.186 0.204 0.223 0.242 0.260 0.279 0.298 0.322 0.345 0.366 0.389
0.130 0.143 0.156 0.169 0.182 0.195 0.209 0.225 0.241 0.256 0.272
Size
1-1/8 1-3/16 1-1/4 1-5/16 1-3/8 1-7/16 1-1/2 1-5/8 1-3/4 1-7/8 2
d Nominal Size
max
min
dc max
h min
n min
n1 min
1.1250 1.1875 1.2500 1.3125 1.3750 1.4375 1.5000 1.6250 1.7500 1.8750 2.0000
1.153 1.217 1.280 1.344 1.408 1.472 1.534 1.663 1.789 1.914 2.039
1.129 1.192 1.254 1.317 1.379 1.442 1.504 1.633 1.758 1.883 2.008
2.013 2.107 2.222 2.327 2.429 2.530 2.627 2.784 2.902 3.027 3.156
0.375 0.396 0.417 0.438 0.458 0.478 0.496 0.496 0.526 0.526 0.526
0.411 0.431 0.452 0.472 0.491 0.509 0.526 0.526 0.532 0.532 0.532
0.288 0.302 0.316 0.330 0.344 0.356 0.368 0.368 0.372 0.372 0.372
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