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Unit:inch

High-collar Helical Spring Lock Washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)

ASME/ANSI B 18.21.1 - 2009

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美标ASME/ANSI B18.21.1 - 2009 ASME/ANSI18. High-collar Helical Spring Lock Washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
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 *Models with different eras.

Screw Thread
d
4# 5# 6# 8# 10# 1/4 5/16 3/8 7/16 1/2 5/8 3/4
d Nominal Size
max
min
dc max
h min
n min
n1 min
0.1120 0.1250 0.1380 0.1640 0.1900 0.2500 0.3125 0.3750 0.4375 0.5000 0.6250 0.7500
0.120 0.133 0.148 0.174 0.200 0.260 0.322 0.385 0.450 0.512 0.641 0.766
0.114 0.127 0.141 0.167 0.193 0.252 0.314 0.377 0.440 0.502 0.628 0.753
0.173 0.202 0.216 0.267 0.294 0.363 0.457 0.550 0.644 0.733 0.917 1.105
0.022 0.030 0.030 0.047 0.047 0.078 0.093 0.125 0.140 0.172 0.203 0.218
0.022 0.030 0.030 0.042 0.042 0.047 0.062 0.076 0.090 0.103 0.125 0.154
0.015 0.021 0.021 0.029 0.029 0.033 0.043 0.053 0.063 0.072 0.087 0.108
Screw Thread
d
7/8 1 1-1/8 1-1/4 1-3/8 1-1/2 1-3/4 2 2-1/4 2-1/2 2-3/4 3
d Nominal Size
max
min
dc max
h min
n min
n1 min
0.8750 1.0000 1.1250 1.2500 1.3750 1.5000 1.7500 2.0000 2.2500 2.5000 2.7500 3.0000
0.894 1.024 1.153 1.280 1.408 1.534 1.789 2.039 2.293 2.543 2.793 3.043
0.878 1.003 1.129 1.254 1.379 1.504 1.758 2.008 2.262 2.512 2.762 3.012
1.291 1.478 1.663 1.790 2.031 2.159 2.596 2.846 3.345 3.595 4.095 4.345
0.234 0.250 0.313 0.313 0.375 0.375 0.469 0.469 0.508 0.508 0.633 0.633
0.182 0.208 0.236 0.236 0.292 0.292 0.383 0.383 0.508 0.508 0.633 0.633
0.127 0.146 0.165 0.165 0.204 0.204 0.268 0.268 0.356 0.356 0.443 0.443

Alternative history

ANSI/ASME B 18.21.1 - 1999 ANSI/ASME B 18.21.1 - 2009 ASME 18.21.1 - 2009(R2016)
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Similar Standards

1 Single Coil Spring Lock Washers, Normal Type [GB]
GB 93 - 1976 		Single Coil Spring Lock Washers, Normal Type

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13 Dimensions of Regular Helical Spring-Lock Washers [Table 1] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME/ANSI]
ASME/ANSI B 18.21.1 - 2009 		Dimensions of Regular Helical Spring-Lock Washers [Table 1] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
14 Regular Helical Spring Lock Washers [ASME/ANSI]
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ASME B 18.21.1 - 2009 (R2016) 		High-Collar Helical Spring Lock Washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
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22 Dimensions of Heavy Helical Spring-Lock Washers [Table 2] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME/ANSI]
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23 Double Coil Helical Spring Lock Washers - Type D [BS]
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BS 1802 (D) - 1951 		Type D Double Coil Spring Washers
38 Metric Spring Lock Washers - Type BP [BS]
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39 Single Coil Spring Lock Washers, Normal Series [UNI]
UNI 1751 - 1941 		Single Coil Spring Lock Washers, Normal Series
40 Metric Spring Lock Washers - Type A [BS]
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41 Type A Single Coil Square Section Spring Washers [BS]
BS 1802 (A) - 1951 		Type A Single Coil Square Section Spring Washers
42 Double Coil Helical Spring Washers [IS]
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56 Extra-Duty Helical Spring-Lock Washers [SAE]
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