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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 Single coil spring lock washers,Normal type [GB]
GB 93 - 1976 		Single coil spring lock washers,Normal type

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2 Single Coil Spring Lock Washers, Normal Type [GB]
GB /T 93 - 1987 		Single Coil Spring Lock Washers, Normal Type

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3 Heavy Helical Spring-Lock Washers [Table 2] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME]
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)
4 Regular helical spring lock washers [ASME/ANSI]
ASME/ANSI B 18.21.1 - 1999 		Regular helical spring lock washers
5 Spring Lock Washers, With Tang Ends-A type [DIN]
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6 Regular Metric Helical Spring Lock Washers [Table 2] (SAE J403, J411, J404, J405, ASTM B211, B159, B99, QQ-N-286) [ASME]
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7 Single coil spring lock washers,heavy type [ASME/ANSI]
ASME/ANSI B 18.21.1 - 1999 		Single coil spring lock washers,heavy type
8 Dimensions of Heavy Helical Spring-Lock Washers [Table 2] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME/ANSI]
ASME/ANSI B 18.21.1 - 2009 		Dimensions of Heavy Helical Spring-Lock Washers [Table 2] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
9 Spring Lock Washers, With Square Ends -B type [DIN]
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10 High-collar helical spring lock washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME]
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11 Spring Lock Washers With Square Ends For Cheese Head Screws [DIN]
DIN 7980 - 1987 		Spring Lock Washers With Square Ends For Cheese Head Screws
12 High-collar helical spring lock washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME/ANSI]
ASME/ANSI B 18.21.1 - 2009 		High-collar helical spring lock washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
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 Heavy Metric Helical Spring Lock Washers [Table 3] (SAE J403, J411, J404, J405, ASTM B211, B159, B99, QQ-N-286) [ASME]
ASME B 18.21.2M - 1999 (R2014) 		Heavy Metric Helical Spring Lock Washers [Table 3] (SAE J403, J411, J404, J405, ASTM B211, B159, B99, QQ-N-286)
15 Extra-duty helical spring-lock washers [Table 3] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME]
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)
16 Regular helical spring lock washers [ASME/ANSI]
ASME/ANSI B 18.21.1 - 1983 		Regular helical spring lock washers
17 Extra-duty helical spring-lock washers [Table 3] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME/ANSI]
ASME/ANSI B 18.21.1 - 2009 		Extra-duty helical spring-lock washers [Table 3] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
18 High-collar helical spring-lock washers [ASME/ANSI]
ASME/ANSI B 18.21.1 - 1999 		High-collar helical spring-lock washers
19 Spring Lock Washers with Safety Ring [DIN]
DIN 6913 - 1987 		Spring Lock Washers with Safety Ring
20 Extra-duty helical spring-lock washers [ASME/ANSI]
ASME/ANSI B 18.21.1 - 1999 		Extra-duty helical spring-lock washers
21 Metric Spring Lock Washers - Type B [BS]
BS 4464 - 1969 		Metric Spring Lock Washers - Type B
22 Single Coil Spring Lock Washers, Normal Series [UNI]
UNI 1751 - 1941 		Single Coil Spring Lock Washers, Normal Series
23 Metric Spring Lock Washers - Type BP [BS]
BS 4464 - 1969 		Metric Spring Lock Washers - Type BP
24 Type A single coil square section spring washers [BS]
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GB 7244 - 1987 		Single Coil Spring Lock Washers Heavy Type
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30 Type C single coil girder section spring washers [BS]
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31 Type B single coil rectangular section spring washers [BS]
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33 Metric Spring Lock Washers - Type A [BS]
BS 4464 - 1969 		Metric Spring Lock Washers - Type A
34 Spring washer [UNI]
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35 Spring Lock Washer - Relular Type [Table 4] SW/No.2 [JIS]
JIS B 1251 (SW/No.2) - 2018 		Spring Lock Washer - Relular Type [Table 4] SW/No.2
36 Spring Washers - Heavy Type 【Table 2】SW/No.3 [JIS]
JIS B 1251 (SW/No.3) - 2001 		Spring Washers - Heavy Type 【Table 2】SW/No.3
37 Single Coil Spring Lock Washers,Light Type [GB]
GB 859 - 1987 		Single Coil Spring Lock Washers,Light Type
38 Double Coil Helical Spring Lock Washers - Type D [BS]
BS 4464 - 1969 		Double Coil Helical Spring Lock Washers - Type D
39 Helical Spring Lock Washers [SAE]
SAE J 489B (Table 2) - 1974 		Helical Spring Lock Washers
40 High-Collar Helical Spring-Lock Washers [SAE]
SAE J 2655 - 2015 		High-Collar Helical Spring-Lock Washers
41 Extra-Duty Helical Spring-Lock Washers [SAE]
SAE J 2655 - 2015 		Extra-Duty Helical Spring-Lock Washers
42 Heavy Helical Spring-Lock Washers [SAE]
SAE J 2655 - 2015 		Heavy Helical Spring-Lock Washers
43 Spring Washer [GOST]
GOST 6402 - 1970 (R1982) 		Spring Washer
44 Regular Helical Spring-Lock Washers [SAE]
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45 Spring Washers [AS]
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46 Single Coil Spring Lock Washers, Normal Type [CNS]
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47 Enhanced Spring Washer For Electric Switch [CNS]
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50 Spring washers for railway turnouts [YJT]
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51 Spring Washers - Type A and B [IS]
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