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SAE J403 J411 J405 J404 ASTM B211 B159 B99 QQN286

ANSI/ASME B 18.21.1 - 2009 

Dimensions of Heavy Helical Spring-Lock Washers

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

Nominal Diameter
2# 3# 4# 5# 6# 8# 10# 12# 1/4 5/16 3/8 7/16 1/2
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 0.4375 0.5000
0.094 0.107 0.120 0.133 0.148 0.174 0.200 0.227 0.260 0.322 0.385 0.450 0.512
0.088 0.101 0.114 0.127 0.141 0.167 0.193 0.220 0.252 0.314 0.377 0.440 0.502
0.182 0.209 0.223 0.252 0.266 0.307 0.350 0.391 0.489 0.593 0.688 0.784 0.879
0.025 0.031 0.031 0.040 0.040 0.047 0.056 0.063 0.077 0.097 0.115 0.133 0.151
0.040 0.047 0.047 0.055 0.055 0.062 0.070 0.077 0.110 0.130 0.145 0.160 0.176
0.028 0.033 0.033 0.038 0.038 0.043 0.049 0.054 0.077 0.091 0.101 0.112 0.123
Nominal Diameter
9/16 5/8 11/16 3/4 13/16 7/8 15/16 1 1-1/16 1-1/8 1-3/16 1-1/4 1-5/16
d Nominal Size
max
min
dc max
h min
n min
n1 min
0.5625 0.6250 0.6875 0.7500 0.8125 0.8750 0.9375 1.0000 1.0625 1.1250 1.1875 1.2500 1.3125
0.574 0.641 0.704 0.766 0.832 0.894 0.958 1.024 1.087 1.153 1.217 1.280 1.344
0.564 0.628 0.691 0.753 0.816 0.878 0.941 1.003 1.066 1.129 1.192 1.254 1.317
0.975 1.087 1.186 1.285 1.387 1.489 1.590 1.700 1.803 1.903 2.001 2.104 2.203
0.170 0.189 0.207 0.226 0.246 0.266 0.284 0.306 0.326 0.345 0.364 0.384 0.403
0.193 0.210 0.227 0.244 0.262 0.281 0.298 0.319 0.338 0.356 0.373 0.393 0.410
0.135 0.147 0.159 0.171 0.183 0.197 0.209 0.223 0.237 0.249 0.261 0.275 0.287
Nominal Diameter
1-3/8 1-7/16 1-1/2 1-5/8 1-3/4 1-7/8 2 2-1/4 2-1/2 2-3/4 3
d Nominal Size
max
min
dc max
h min
n min
n1 min
1.3750 1.4375 1.5000 1.6250 1.7500 1.8750 2.0000 2.2500 2.5000 2.7500 3.0000
1.408 1.472 1.534 1.663 1.789 1.914 2.039 2.293 2.543 2.793 3.043
1.379 1.442 1.504 1.633 1.758 1.883 2.008 2.262 2.512 2.762 3.012
2.301 2.396 2.491 2.694 2.820 2.945 3.144 3.398 3.648 3.910 4.160
0.422 0.440 0.458 0.458 0.458 0.458 0.496 0.496 0.496 0.526 0.526
0.427 0.442 0.458 0.491 0.491 0.491 0.526 0.526 0.526 0.532 0.532
0.299 0.309 0.321 0.344 0.344 0.344 0.368 0.368 0.368 0.372 0.372

 

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