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Unit:inch

Dimensions of Regular Helical Spring-Lock Washers [Table 1] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)

ASME/ANSI B 18.21.1 (T1) - 2009

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美标ASME/ANSI B18.21.1 (T1) - 2009 ASME/AN Dimensions of Regular Helical Spring-Lock Washers [Table 1] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
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Size
2# 3# 4# 5# 6# 8# 10# 12# 1/4 5/16 3/8 7/16 1/2
d max
min
dc max
h min
n min
n1 min
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
0.172 0.195 0.209 0.236 0.250 0.293 0.334 0.377 0.487 0.583 0.680 0.776 0.869
0.020 0.025 0.025 0.031 0.031 0.040 0.047 0.056 0.062 0.078 0.094 0.109 0.125
0.035 0.040 0.040 0.047 0.047 0.055 0.062 0.070 0.109 0.125 0.141 0.156 0.171
0.024 0.028 0.028 0.033 0.033 0.038 0.043 0.049 0.076 0.087 0.099 0.109 0.120
Size
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 max
min
dc max
h min
n min
n1 min
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
0.965 1.073 1.170 1.265 1.363 1.459 1.556 1.656 1.751 1.847 1.943 2.036 2.133
0.141 0.156 0.172 0.188 0.203 0.219 0.234 0.250 0.266 0.281 0.297 0.312 0.328
0.188 0.203 0.219 0.234 0.250 0.266 0.281 0.297 0.312 0.328 0.344 0.359 0.375
0.132 0.142 0.153 0.164 0.175 0.186 0.197 0.208 0.218 0.230 0.241 0.251 0.262
Size
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 max
min
dc max
h min
n min
n1 min
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
2.219 2.324 2.419 2.553 2.679 2.811 2.936 3.221 3.471 3.824 4.074
0.344 0.359 0.375 0.389 0.389 0.422 0.422 0.440 0.440 0.458 0.458
0.391 0.406 0.422 0.424 0.424 0.427 0.427 0.442 0.442 0.491 0.491
0.274 0.284 0.295 0.297 0.297 0.299 0.299 0.309 0.309 0.344 0.344

Alternative history

ANSI/ASME B 18.21.1 - 1983 ANSI/ASME B 18.21.1 - 1999 ANSI/ASME B 18.21.1 - 2009 ASME B 18.21.1 - 2009(R2016)
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