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Click Specification

Unit:inch

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

ASME B 18.21.1 - 2009 (R2016)

Display drawing:

美标ASME B18.21.1 - 2009 (R2016) ASME18.21 Regular Helical Spring-Lock Washers [Table 1] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
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 *Models with different eras.

Size
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
0.172 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 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
0.965 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 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
2.219 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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Similar Standards

1 Disc Spring - A Style [GB]
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4 Single Coil Spring Lock Washers, Heavy Type [ASME/ANSI]
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5 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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ASME B 18.21.1 - 2009 (R2016) 		Extra-Duty Helical Spring-Lock Washers [Table 3] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
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14 Spring Lock Washers - Type B, with Square Ends [DIN]
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16 Heavy Metric Helical Spring Lock Washers [Table 3] (SAE J403, J411, J404, J405, ASTM B211, B159, B99, QQ-N-286) [ASME]
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18 Spring Lock Washers with Safety Ring [DIN]
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ASME B 18.21.1 - 2009 (R2016) 		Heavy Helical Spring-Lock Washers [Table 2] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
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22 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)
23 Track Fastenings of Railway Lines, Spring Washers for Track Bolts [UNI]
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28 Single Coil Spring Lock Washers, Light Type [GB]
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29 Spring Lock Washers - Regular Type [Table 1] SW/No.2 [JIS]
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33 Type A Single Coil Square Section Spring Washers [BS]
BS 1802 (A) - 1951 		Type A Single Coil Square Section Spring Washers
34 Double Coil Helical Spring Lock Washers - Type D [BS]
BS 4464 - 1969 		Double Coil Helical Spring Lock Washers - Type D
35 Type C Single Coil Girder Section Spring Washers [BS]
BS 1802 (C) - 1951 		Type C Single Coil Girder Section Spring Washers
36 Single Coil Spring Lock Washers Heavy Type [GB]
GB 7244 - 1987 		Single Coil Spring Lock Washers Heavy Type
37 Type B Single Coil Rectangular Section Spring Washers [BS]
BS 1802 (B) - 1951 		Type B Single Coil Rectangular Section Spring Washers
38 Metric Spring Lock Washers - Type B [BS]
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39 Spring Washer [UNI]
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40 Metric Spring Lock Washers - Type A [BS]
BS 4464 - 1969 		Metric Spring Lock Washers - Type A
41 Spring Lock Washers [NF]
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42 Single Coil Spring Lock Washers, Normal Type [CNS]
CNS 161 - 1994 		Single Coil Spring Lock Washers, Normal Type
43 Double Coil Helical Spring Washers [IS]
IS 6755 - 1980 (R2001) 		Double Coil Helical Spring Washers
44 Spring Lock Washers [IS]
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45 Spring Washers - Type A and B [IS]
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48 Spring Washer [KS]
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49 Spring Lock Washers with Safety Ring [CNS]
CNS 4255 - 1978 		Spring Lock Washers with Safety Ring
50 Enhanced Spring Washer for Electric Switch [CNS]
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51 Spring Washers [AS]
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52 Spring Washer [GOST]
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53 Heavy Helical Spring-Lock Washers [SAE]
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54 Extra-Duty Helical Spring-Lock Washers [SAE]
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55 High-Collar Helical Spring-Lock Washers [SAE]
SAE J 2655 - 2015 		High-Collar Helical Spring-Lock Washers
56 Helical Spring Lock Washers [SAE]
SAE J 489B (Table 2) - 1974 		Helical Spring Lock Washers