Click Specification

Nut and Conical Spring Washer Assemblies

SAE J 238 - 2017

Display drawing:

Size

8#
Narrow

8#
Regular

8#
Wide

10#
Narrow

10#
Regular

10#
Wide

1/4
Narrow

1/4
Regular

1/4
Wide

5/16
Narrow

5/16
Regular

PP
d_c	Nominal Size
	max
	min
s	max
	min
e	min
D	max
	min
k	Type LN Nut	max
		min
c	Type LN Washer	max
		min
G	Type LN Washer	max
		min
k	Type HN Nut	max
		min
c	Type HN Washer	max
		min
G	Type HN Washer	max
		min

32	32	32	24	24	24	20	20	20	18	18
0.375	0.500	0.625	0.438	0.562	0.750	0.625	0.750	1.000	0.750	1.000
0.385	0.510	0.635	0.448	0.572	0.760	0.635	0.760	1.010	0.760	1.010
0.365	0.490	0.615	0.428	0.552	0.740	0.615	0.740	0.990	0.740	0.990
0.343	0.343	0.343	0.375	0.375	0.375	0.437	0.437	0.437	0.500	0.500
0.332	0.332	0.332	0.365	0.365	0.365	0.428	0.428	0.428	0.489	0.489
0.378	0.378	0.378	0.413	0.413	0.413	0.488	0.488	0.488	0.557	0.557
0.236	0.236	0.236	0.274	0.274	0.274	0.332	0.332	0.332	0.405	0.405
0.232	0.232	0.232	0.270	0.270	0.270	0.328	0.328	0.328	0.400	0.400
0.130	0.130	0.130	0.130	0.130	0.130	0.193	0.193	0.193	/	/
0.117	0.117	0.117	0.117	0.117	0.117	0.178	0.178	0.178	/	/
0.040	0.040	0.040	0.040	0.040	0.046	0.051	0.056	0.065	/	/
0.033	0.033	0.033	0.033	0.033	0.037	0.042	0.047	0.055	/	/
0.025	0.025	0.035	0.025	0.025	0.030	0.025	0.025	0.030	/	/
0.015	0.015	0.025	0.015	0.015	0.020	0.015	0.015	0.025	/	/
/	/	/	0.207	0.207	0.207	0.226	0.226	0.226	0.273	0.273
/	/	/	0.187	0.187	0.187	0.212	0.212	0.212	0.258	0.258
/	/	/	0.043	0.051	0.056	0.065	0.079	0.087	0.079	0.103
/	/	/	0.037	0.042	0.047	0.055	0.066	0.074	0.066	0.090
/	/	/	0.025	0.025	0.030	0.025	0.025	0.030	0.025	0.030
/	/	/	0.015	0.015	0.020	0.015	0.015	0.020	0.015	0.020

Size

5/16
Wide

3/8
Narrow

3/8
Regular

3/8
Wide

7/16
Narrow

7/16
Regular

7/16
Wide

1/2
Narrow

1/2
Regular

1/2
Wide

PP
d_c	Nominal Size
	max
	min
s	max
	min
e	min
D	max
	min
k	Type LN Nut	max
		min
c	Type LN Washer	max
		min
G	Type LN Washer	max
		min
k	Type HN Nut	max
		min
c	Type HN Washer	max
		min
G	Type HN Washer	max
		min

18	15	15	15	14	14	14	13	13	13
1.125	1.000	1.125	1.250	1.125	1.250	1.500	1.250	1.500	1.750
1.135	1.010	1.135	1.260	1.135	1.260	1.510	1.260	1.510	1.760
1.115	0.990	1.115	1.240	1.115	1.240	1.490	1.240	1.490	1.740
0.500	0.562	0.562	0.562	0.687	0.687	0.687	0.750	0.750	0.750
0.489	0.551	0.551	0.551	0.675	0.675	0.675	0.736	0.736	0.736
0.557	0.628	0.628	0.628	0.768	0.768	0.768	0.840	0.840	0.840
0.405	0.470	0.470	0.470	0.550	0.550	0.550	0.610	0.610	0.610
0.400	0.465	0.465	0.465	0.545	0.545	0.545	0.605	0.605	0.605
/	/	/	/	/	/	/	/	/	/
/	/	/	/	/	/	/	/	/	/
/	/	/	/	/	/	/	/	/	/
/	/	/	/	/	/	/	/	/	/
/	/	/	/	/	/	/	/	/	/
/	/	/	/	/	/	/	/	/	/
0.273	0.337	0.337	0.337	0.385	0.385	0.385	0.448	0.448	0.448
0.258	0.320	0.320	0.320	0.365	0.365	0.365	0.427	0.427	0.427
0.103	0.103	0.120	0.120	0.126	0.136	0.136	0.140	0.150	0.150
0.090	0.090	0.106	0.106	0.112	0.122	0.122	0.126	0.136	0.136
0.032	0.025	0.032	0.035	0.027	0.036	0.036	0.027	0.035	0.035
0.022	0.015	0.022	0.025	0.017	0.026	0.026	0.017	0.025	0.025

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