Standard Products - Insulating Shoulder Washers
Page 1 of 2
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Insulating Shoulder Washers
RoHS Compliant
40% glass filled polyphenylene sulfide (PPS).
Chemically inert [no known solvents under 200°C (392°F)]
Maximum recommended service temperature of 260°C (500°F)
Recommended torque is 0.565Nm to 0.678Nm (5 to 6 inch-pounds) on all shoulder washers
except -7, which has recommended torque of 0.452Nm (4 inch-pounds).
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Polyphenylene Sulfide PPS Shoulder Washers
Note: A single gate extension, not to exceed 0.64mm (0.025") in length, is allowable on the outside of all shoulder
washers.
Model
7721-
1PPSG
7721-
3PPSG
7721-4PPS
7721-
5PPSG
7721-
6PPSG
7721-
7PPSG*
7721-
8PPSG
7721-9PPS
7721-
10PPSG
N/A
N/A
RoHS
PCN
A
7.11
(0.280)
7.11
(0.280)
7.92
(0.312)
7.92
(0.312)
7.11
(0.280)
5.46
(0.215)
6.22
(0.245)
7.62
(0.300)
7.62
(0.300)
B
3.18
(0.125)
3.18
(0.125)
.79
(0.081)
.79
(0.031)
.79
(0.031)
.81
(0.032)
1.02
(0.040)
1.22
(0.048)
2.41
(0.095)
C
1.07
(0.042)
1.07
(0.042)
1.19
(0.047)
1.19
(0.047)
1.19
(0.047)
1.02
(0.040)
1.02
(0.040)
1.40
(0.055)
1.40
(0.055)
D
2.84
(0.112)
2.84
(0.112)
3.71
(0.146)
3.66
(0.144)
3.00
(0.118)
2.95
(0.116)
3.02
(0.119)
2.97
(0.117)
2.97
(0.117)
E
3.81
(0.150)
3.56
(0.140)
4.83
(0.190)
4.50
(0.177)
3.68
(0.145)
3.43
(0.139)
3.56
(0.140)
3.56
(0.140)
3.56
(0.140)
Screw
Size
4
Fig.
1
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4
1
6
1
6
1
4
1
4
1
4
2
4**
3
4**
3
* Design allows insertion in the tab of a TO-220.
** Also for M3 Screw
Nylon Shoulder Washers
RoHS Compliant
12/1/2010
Standard Products - Insulating Shoulder Washers
Page 2 of 2
Model
7721-11NG
Formerly
Motorola
p/n
B51547F003
7721-12N
Formerly
Motorola
p/n
B51547F005
7721-13NG
Formerly
Motorola
p/n
B51547F011
7721-14N
Formerly
Motorola
p/n
B51547F018
7721-15NG
Formerly
Motorola
p/n
B51547F019
RoHS
PCN
A
7.80 / 8.05
(0.307 /
0.317)
B
2.87 / 3.00
(0.113 /
0.118)
C
3.56 / 3.81
(0.140 /
0.150)
D
E
1.09 / 1.35
3.76 / 3.89
(0.043 /
(1.48 / 1.53)
0.053)
N/A
9.40 / 9.65
3.84 / 4.09
2.16 / 2.41
6.10 / 6.35
1.02 / 1.27
(0.370 /.380) (0.151 /.161) (0.085 /.095) (0.240 /.250) (0.040 /.050)
5.89 / 6.05
(0.232 /
0.238)
2.87 / 3.00
(0.113 /
0.118)
4.11 / 4.45
(0.162 /
0.175)
3.43/ 3.56
(0.135 /
0.140)
1.19/ 1.40
(0.047 /
0.055)
N/A
6.40 / 6.60
2.90 / 3.10
2.69 / 2.90
3.89 / 4.09
(0.252 /.260) (0.114 /.122) (0.106 /.114) (0.153 /.161)
5.59 / 6.10
(0.220 /
0.240)
2.90 / 2.95
(0.114 /
0.116)
1.73 / 1.91
(0.068 /
0.075)
3.43 / 3.58
(0.135 /
0.141)
.51 / 0.64
(0.020 /
0.025)
12/1/2010
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