Click Specification

(Non-preferred) dimensions in parentheses.

Conical Knurled Spring Washers, Symbol CS

NF E 25-511 - 1984

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Nominal Diameter

3
-6-0.5

3
-8-0.6

3
-10-0.6

4
-8-0.8

4
-10-0.9

4
-14-1

5
-10-1

5
-12-1.1

5
-16-1.2

6
-12-1.2

6
-14-1.3

6
-18-1.4

d₁	min
	max
d₂	Nominal Size
	max
	min
h	Nominal Size
	max
	min
H	min
	max
d₃	min
d₄ ^①	min
	max
test load(N)

3.1	3.1	3.1	4.1	4.1	4.1	5.1	5.1	5.1	6.1	6.1	6.1
3.35	3.35	3.35	4.4	4.4	4.4	5.4	5.4	5.4	6.4	6.4	6.4
6	8	10	8	10	14	10	12	16	12	14	18
6.24	8.29	10.29	8.29	10.29	14.35	10.29	12.35	16.35	12.35	14.35	18.35
5.76	7.71	9.71	7.71	9.71	13.65	9.71	11.65	15.65	11.65	13.65	17.65
0.5	0.6	0.6	0.8	0.9	1	1	1.1	1.2	1.2	1.3	1.4
0.53	0.63	0.63	0.83	0.94	1.04	1.04	1.14	1.24	1.24	1.34	1.44
0.47	0.57	0.57	0.77	0.86	0.96	0.96	1.06	1.16	1.16	1.26	1.36
0.7	0.8	0.95	1	1.15	1.4	1.25	1.45	1.7	1.55	1.75	2.1
0.9	1	1.2	1.2	1.4	1.8	1.5	1.8	2.1	1.85	2.1	2.5
5.5	5.5	5.5	7	7	7	8	8	8	10	10	10
3.6	3.6	3.6	4.7	4.7	4.7	5.7	5.7	5.7	6.8	6.8	6.8
4.1	4.1	4.1	5.2	5.2	5.2	6.2	6.2	6.2	7.4	7.4	7.4
2400	2400	2400	4200	4200	4200	6800	6800	6800	9500	9500	9500

Nominal Diameter

8
-16-1.4

8
-18-1.4

8
-22-1.6

10
-20-1.6

10
-22-1.6

10
-27-1.8

12
-24-1.8

12
-27-1.8

12
-32-2

(14)
-30-2.4

16
-32-2.8

20
-40-3.2

d₁	min
	max
d₂	Nominal Size
	max
	min
h	Nominal Size
	max
	min
H	min
	max
d₃	min
d₄ ^①	min
	max
test load(N)

8.2	8.2	8.2	10.2	10.2	10.2	12.4	12.4	12.4	14.4	16.4	20.5
8.56	8.56	8.56	10.56	10.56	10.56	12.83	12.83	12.83	14.83	16.83	21.02
16	18	22	20	22	27	24	27	32	30	32	40
16.35	18.35	22.42	20.42	22.42	27.42	24.42	27.42	32.5	30.42	32.5	40.5
15.65	17.65	21.58	19.58	21.58	26.58	23.58	26.58	31.5	29.58	31.5	39.5
1.4	1.4	1.6	1.6	1.6	1.8	1.8	1.8	2	2.4	2.8	3.2
1.44	1.44	1.65	1.65	1.65	1.85	1.85	1.85	2.05	2.46	2.86	3.26
1.36	1.36	1.55	1.55	1.55	1.75	1.75	1.75	1.95	2.34	2.74	3.14
1.8	1.9	2.2	2.1	2.25	2.6	2.4	2.6	3.1	3.2	3.6	4.3
2.2	2.35	2.7	2.6	2.75	3.1	2.9	3.1	3.6	3.7	4.1	4.9
13	13	13	16	16	16	18	18	18	21	24	30
9.2	9.2	9.2	11.2	11.2	11.2	13.7	13.7	13.7	15.7	17.7	22.8
9.8	9.8	9.8	11.9	11.9	11.9	14.4	14.4	14.4	16.4	18.4	23.1 ①
17500	17500	17500	27500	27500	27500	40000	40000	40000	55000	75000	100000

①,The d4 size of specification 20 is suspected to have an error in the standard original, which will be agreed upon by both the supply and demand parties

Alternative history

NF E 25-511 - 1980 NF E 25-511 - 1984

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