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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).



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 RoHS PCN A B C D E Screw Size Fig.
7721-1PPSG 7.11
(0.280)
3.18
(0.125)
1.07
(0.042)
2.84
(0.112)
3.81
(0.150)
4 1
7721-3PPSG 7.11
(0.280)
3.18
(0.125)
1.07
(0.042)
2.84
(0.112)
3.56
(0.140)
4 1
7721-4PPS N/A 7.92 (0.312) .79 (0.081) 1.19 (0.047) 3.71 (0.146) 4.83 (0.190) 6 1
7721-5PPSG 7.92
(0.312)
.79
(0.031)
1.19
(0.047)
3.66
(0.144)
4.50
(0.177)
6 1
7721-6PPSG 7.11
(0.280)
.79
(0.031)
1.19
(0.047)
3.00
(0.118)
3.68
(0.145)
4 1
7721-7PPSG* 5.46
(0.215)
.81
(0.032)
1.02
(0.040)
2.95
(0.116)
3.43
(0.139)
4 1
7721-8PPSG 6.22
(0.245)
1.02
(0.040)
1.02
(0.040)
3.02
(0.119)
3.56
(0.140)
4 2
7721-9PPSG N/A 7.62
(0.300)
1.22
(0.048)
1.40
(0.055)
2.97
(0.117)
3.56
(0.140)
4** 3
7721-10PPSG 7.62
(0.300)
2.41
(0.095)
1.40
(0.055)
2.97
(0.117)
3.56
(0.140)
4** 3

* Design allows insertion in the tab of a TO-220.
** Also for M3 Screw

Nylon Shoulder Washers

RoHS Compliant


Model RoHS PCN A B C D E
7721-11NG
Formerly Motorola
p/n B51547F003
7.80 / 8.05
(0.307 / 0.317)
2.87 / 3.00
(0.113 / 0.118)
3.56 / 3.81
(0.140 / 0.150)
3.76 / 3.89
(1.48 / 1.53)
1.09 / 1.35
(0.043 / 0.053)
7721-12N
Formerly Motorola
p/n B51547F005
N/A 9.40 / 9.65
(0.370 /.380)
3.84 / 4.09
(0.151 /.161)
2.16 / 2.41
(0.085 /.095)
6.10 / 6.35
(0.240 /.250)
1.02 / 1.27
(0.040 /.050)
7721-13NG
Formerly Motorola
p/n B51547F011
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)
7721-14N
Formerly Motorola
p/n B51547F018
N/A 6.40 / 6.60
(0.252 /.260)
2.90 / 3.10
(0.114 /.122)
2.69 / 2.90
(0.106 /.114)
3.89 / 4.09
(0.153 /.161)
7721-15NG
Formerly Motorola
p/n B51547F019
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)