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Heavy Helical Spring-Lock Washers [Table 2] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)

ASME B 18.21.1 - 2009 (R2016)

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Size

10#

12#

1/4

5/16

3/8

7/16

1/2

d	Nominal Size
	max
	min
d_c	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
0.182	0.209	0.223	0.252	0.266	0.307	0.350	0.391	0.489	0.593	0.688	0.784	0.879
0.025	0.031	0.031	0.040	0.040	0.047	0.056	0.063	0.077	0.097	0.115	0.133	0.151
0.040	0.047	0.047	0.055	0.055	0.062	0.070	0.077	0.110	0.130	0.145	0.160	0.176
0.028	0.033	0.033	0.038	0.038	0.043	0.049	0.054	0.077	0.091	0.101	0.112	0.123

Size

9/16

5/8

11/16

3/4

13/16

7/8

15/16

1-1/16

1-1/8

1-3/16

1-1/4

1-5/16

d	Nominal Size
	max
	min
d_c	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
0.975	1.087	1.186	1.285	1.387	1.489	1.590	1.700	1.803	1.903	2.001	2.104	2.203
0.170	0.189	0.207	0.226	0.246	0.266	0.284	0.306	0.326	0.345	0.364	0.384	0.403
0.193	0.210	0.227	0.244	0.262	0.281	0.298	0.319	0.338	0.356	0.373	0.393	0.410
0.135	0.147	0.159	0.171	0.183	0.197	0.209	0.223	0.237	0.249	0.261	0.275	0.287

Size

1-3/8

1-7/16

1-1/2

1-5/8

1-3/4

1-7/8

2-1/4

2-1/2

2-3/4

d	Nominal Size
	max
	min
d_c	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
2.301	2.396	2.491	2.694	2.820	2.945	3.144	3.398	3.648	3.910	4.160
0.422	0.440	0.458	0.458	0.458	0.458	0.496	0.496	0.496	0.526	0.526
0.427	0.442	0.458	0.491	0.491	0.491	0.526	0.526	0.526	0.532	0.532
0.299	0.309	0.321	0.344	0.344	0.344	0.368	0.368	0.368	0.372	0.372

Alternative history

ANSI/ASME B 18.21.1 - 1999 ANSI/ASME B 18.21.1 - 2009 ASME B 18.21.12009 - 2016

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Similar Standards

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