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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)

Similar Standards

1 Spring Lock Washers with Square Ends for Cheese Head Screws [DIN]
DIN 7980 - 1987 		Spring Lock Washers with Square Ends for Cheese Head Screws

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

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

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4 Single Coil Spring Lock Washers - Normal Type [GB]
GB /T 93 - 2025 		Single Coil Spring Lock Washers - Normal Type

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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]
ASME/ANSI B 18.21.1 (T2) - 2009 		Dimensions of Heavy Helical Spring-Lock Washers [Table 2] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
6 Regular Helical Spring-Lock Washers [Table 1] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME]
ASME B 18.21.1 (T1) - 2009 (R2016) 		Regular Helical Spring-Lock Washers [Table 1] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
7 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 (T3) - 2009 (R2016) 		Extra-Duty Helical Spring-Lock Washers [Table 3] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
8 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)
9 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 (T4) - 2009 		High-collar Helical Spring Lock Washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
10 Extra-duty Helical Spring - Lock Washers [ASME/ANSI]
ASME/ANSI B 18.21.1 (T3) - 1999 		Extra-duty Helical Spring - Lock Washers
11 Regular Helical Spring Lock Washers [ASME/ANSI]
ASME/ANSI B 18.21.1 (T2) - 1983 		Regular Helical Spring Lock Washers
12 Regular Metric Helical Spring Lock Washers [Table 2] (SAE J403, J411, J404, J405, ASTM B211, B159, B99, QQ-N-286) [ASME]
ASME B 18.21.2M - 1999 (R2014) 		Regular Metric Helical Spring Lock Washers [Table 2] (SAE J403, J411, J404, J405, ASTM B211, B159, B99, QQ-N-286)
13 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 (T2) - 2009 (R2016) 		Heavy Helical Spring-Lock Washers [Table 2] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
14 Spring Lock Washers - Type B, with Square Ends [DIN]
DIN 127 (B) - 1987 		Spring Lock Washers - Type B, with Square Ends
15 Spring Lock Washers with Safety Ring [DIN]
DIN 6913 - 1987 		Spring Lock Washers with Safety Ring
16 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 (T3) - 2009 		Extra-duty Helical Spring-lock Washers [Table 3] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
17 High-collar Helical Spring Lock Washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME]
ASME B 18.21.1 (T4) - 2009 (R2016) 		High-collar Helical Spring Lock Washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
18 Single Coil Spring Lock Washers, Heavy Type [ASME/ANSI]
ASME/ANSI B 18.21.1 (T2) - 1999 		Single Coil Spring Lock Washers, Heavy Type
19 High-collar Helical Spring - Lock Washers [ASME/ANSI]
ASME/ANSI B 18.21.1 (T4) - 1999 		High-collar Helical Spring - Lock Washers
20 Double Coil Helical Spring Lock Washers for Wood Structures [ASME]
ASME B 18.21.3 - 2008 (R2013) 		Double Coil Helical Spring Lock Washers for Wood Structures
21 Regular Helical Spring Lock Washers [ASME/ANSI]
ASME/ANSI B 18.21.1 (T1) - 1999 		Regular Helical Spring Lock Washers
22 Spring Lock Washers - Type A , with Tang Ends [DIN]
DIN 127 (A) - 1987 		Spring Lock Washers - Type A , with Tang Ends
23 Type C Single Coil Girder Section Spring Washers [BS]
BS 1802 (C) - 1951 		Type C Single Coil Girder Section Spring Washers
24 Single Coil Spring Lock Washers, Normal Series [UNI]
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25 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
26 Spring Lock Washers - Regular Type [Table 1] SW/No.2 [JIS]
JIS B 1251 (SW/No.2) - 2001 		Spring Lock Washers - Regular Type [Table 1] SW/No.2
27 Type A Single Coil Square Section Spring Washers [BS]
BS 1802 (A) - 1951 		Type A Single Coil Square Section Spring Washers
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29 Track Fastenings of Railway Lines, Spring Washers for Track Bolts [UNI]
UNI 3558 - 1959 		Track Fastenings of Railway Lines, Spring Washers for Track Bolts
30 Double Coil Helical Spring Lock Washers - Type D [BS]
BS 4464 - 1969 		Double Coil Helical Spring Lock Washers - Type D
31 Single Coil Spring Lock Washer for Assembly [GB]
GB 9074.26 - 1988 		Single Coil Spring Lock Washer for Assembly
32 Metric Spring Lock Washers - Type BP [BS]
BS 4464 - 1969 		Metric Spring Lock Washers - Type BP
33 Type B Single Coil Rectangular Section Spring Washers [BS]
BS 1802 (B) - 1951 		Type B Single Coil Rectangular Section Spring Washers
34 Single Coil Spring Lock Washers - Light Type [GB]
GB /T 859 - 2025 		Single Coil Spring Lock Washers - Light Type
35 Single Coil Spring Lock Washers Heavy Type [GB]
GB /T 7244 - 1987 		Single Coil Spring Lock Washers Heavy Type
36 Spring Lock Washer - Heavy Type [Table 5] SW/No.3 [JIS]
JIS B 1251 (SW/No.3) - 2018 		Spring Lock Washer - Heavy Type [Table 5] SW/No.3
37 Spring Lock Washers [NF]
NF E 25-515 		Spring Lock Washers
38 Spring Washer [UNI]
UNI 9195 		Spring Washer
39 Metric Spring Lock Washers - Type B [BS]
BS 4464 - 1969 		Metric Spring Lock Washers - Type B
40 Single Coil Spring Lock Washers, Light Type [GB]
GB /T 859 - 1987 		Single Coil Spring Lock Washers, Light Type
41 Type D Double Coil Spring Washers [BS]
BS 1802 (D) - 1951 		Type D Double Coil Spring Washers
42 Metric Spring Lock Washers - Type A [BS]
BS 4464 - 1969 		Metric Spring Lock Washers - Type A
43 Spring Washers for Railway Turnouts [YJT]
YJT 6010 		Spring Washers for Railway Turnouts
44 Double Coil Helical Spring Washers [IS]
IS 6755 - 1980 (R2001) 		Double Coil Helical Spring Washers
45 Spring Lock Washers [IS]
IS 6735 - 1994 (R2004) 		Spring Lock Washers
46 Spring Washers - Type A and B [IS]
IS 3063 - 1994 (R2004) 		Spring Washers - Type A and B
47 Spring Washer [KS]
KS B 1324 - 2017 (R2022) 		Spring Washer
48 Spring Lock Washers with Safety Ring [CNS]
CNS 4255 - 1978 		Spring Lock Washers with Safety Ring
49 Enhanced Spring Washer for Electric Switch [CNS]
CNS 8930 - 1982 		Enhanced Spring Washer for Electric Switch
50 Single Coil Spring Lock Washers [CNS]
CNS 161 - 1994 		Single Coil Spring Lock Washers
51 Spring Washers [AS]
AS 1559 - 2018 		Spring Washers
52 Spring Washer [GOST]
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53 Helical Spring Lock Washers [SAE]
SAE J 489B (Table 2) - 1974 		Helical Spring Lock Washers
54 High-Collar Helical Spring-Lock Washers [SAE]
SAE J 2655 - 2015 		High-Collar Helical Spring-Lock Washers
55 Extra-Duty Helical Spring-Lock Washers [SAE]
SAE J 2655 - 2015 		Extra-Duty Helical Spring-Lock Washers
56 Heavy Helical Spring-Lock Washers [SAE]
SAE J 2655 - 2015 		Heavy Helical Spring-Lock Washers
57 Regular Helical Spring-Lock Washers [SAE]
SAE J 2655 - 2015 		Regular Helical Spring-Lock Washers