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Standard DISC-LOCK Washer Technical
Specification
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LINK |
NM |
INCHES |
Part # |
 |
3 |
#6 |
098-01 |
| |
4 |
#8 |
099-01 |
| |
5 |
3/16" |
100-01 |
| |
6 |
1/4" |
101-01 |
| |
8 |
5/16" |
102-01 |
| |
10 |
3/8" |
103-01 |
| |
11 |
7/16" |
104-01 |
| |
12 |
1/2" |
105-01 |
| |
14 |
9/16" |
106-01 |
| |
16 |
5/8" |
107-01 |
| |
20 |
3/4" |
108-01 |
| |
22 |
7/8" |
109-01 |
| |
24 |
1" |
110-01 |
| |
27 |
1-1/8" |
111-01 |
| |
30 |
1-1/4" |
112-01 |
| |
35 |
1-3/8" |
117-01 |
| |
38 |
1-1/2" |
113-01 |
GENERAL DIAGRAM:
|
|
SIZE
|
STANDARD DIMENSIONS
|
METRIC DIMENSIONS
|
|
ORDER
#
|
#
OF
CAMS
|
STD
INCHES
|
METRIC
MM.
|
A
IN. |
C
IN. |
**EE
IN.
|
A
MM. |
C
MM. |
**EE
MM. |
|
098-01
|
6
|
6
|
3
|
.150
|
.340
|
.080
|
3.81
|
8.64
|
2.03
|
|
099-01
|
6
|
8 |
4
|
.175
|
.340
|
.080
|
4.45
|
8.64
|
2.03
|
|
100-01
|
6
|
3/16*
|
5
|
.203
|
.401
|
.080
|
5.15
|
10.18
|
2.03
|
|
101-01
|
6
|
¼*
|
6
|
.262
|
.495
|
.127
|
6.66
|
12.57
|
3.22
|
|
102-01
|
8
|
5/16*
|
8
|
.326
|
.628
|
.142
|
8.28
|
15.95
|
3.60
|
|
103-01
|
8
|
3/8*
|
10
|
.409
|
.705
|
.160
|
10.38
|
17.90
|
4.06
|
|
104-01
|
10
|
7/16 |
11
|
.450
|
.880
|
.135
|
11.43
|
22.35
|
3.33
|
|
105-01
|
10
|
1/2*
|
12
|
.510
|
.937
|
.166
|
12.95
|
23.82
|
4.22
|
|
106-01
|
10
|
9/16
|
14
|
.572
|
1.128
|
.127
|
14.53
|
28.65
|
3.23
|
|
107-01
|
12
|
5/8*
|
16
|
.651
|
1.247
|
.188 |
16.53
|
31.67
|
4.79
|
|
108-01
|
14
|
¾
|
20
|
.820
|
1.381
|
.242
|
20.82
|
35.08
|
6.15
|
|
109-01
|
14
|
7/8
|
22
|
.883
|
1.470
|
.268
|
22.44
|
37.34
|
6.80
|
|
110-01
|
16
|
1
|
24
|
1.015
|
1.626
|
.256
|
25.78
|
41.30
|
6.50
|
|
111-01
|
12
|
1-1/8
|
27
|
1.140
|
1.715
|
.240
|
28.96
|
43.56
|
6.10
|
|
112-01
|
12
|
1-1/4
|
30
|
1.275
|
1.875
|
.265
|
32.39
|
47.63
|
6.73
|
|
117-01
|
12
|
1-3/8
|
36
|
1.430
|
2.196
|
.230
|
36.32
|
55.78
|
5.84
|
|
113-01
|
12
|
1-1/2
|
38
|
1.523
|
2.196
|
.230
|
38.68
|
55.78
|
5.84
|
* For orders of stainless steel
parts, add "SS" to beginning of order number.
** Weight and thickness of pairs will vary slightly with
gauge of metal.
The DISC-LOCK Washer is
manufactured from 1010 carbon steel and case hardened to
40/55 on the Rockwell C scale to a depth of 0.13mm
(0.005").
It is zinc plated to A.S.T.M. standard B 633-96 and baked to
prevent hydrogen embrittlement. (DISC-LOCK Washers are not
suitable for hot dip galvanizing).
Each lot is micro-hardness tested after heat treating.
Other finishes superior to zinc are also available including
stainless steel (316) up to size 16 (5/8”).
The DISC-LOCK Washer can be used with Grade 2,5,8 and even
stronger bolts.
The DISC-LOCK Washer is vibration-proof according to US
Military Standards. (United States Military Test #1312.
Vibration Test #7.)
Approved by the U.S Department of Transportation, Federal
Railroad Administration
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