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.166 Insulating Washers (Shoulder)

*Slightly Chamfered to Permit Smooth Entry / Fit.

Build Part Number
Material & Shape
Shoulder Length		 Tolerances
All Technical Data
Worksheet Helper		 Conversion Chart
Metric Insulating Washers
Standard Insulating Washers
.166 Inside Diameter - For Size 8 Fasteners
CHOOSE and write down your PART NUMBER
then Go to Skip Step 1
Chart 1- Length of Shoulder- Dimension E
Other Code
Dim. E		 A
.015		 B
.025		 C
.040		 E
.058		 F
.085		 G
.120		 H
.182		 J
.215		 K
.245		 M
.300		 R
.360		 S
.425		 V
.490		  
Part Number A B C D E L Part Number A B C D E L  
WS1301 .281 .185 .031 .166 See
Chart 1		 L=C+E WS1331 .375 .310 .031 .166 See
Chart 1		 L=C+E  
WS1302 .281 .185 .047 .166 WS1332 .375 .310 .047 .166
WS1303 .281 .185 .060 .166 WS1333 .375 .310 .060 .166
WS1304 .281 .215 .031 .166 See
Chart 1		 L=C+E WS1334 .375 .340 .031 .166 See
Chart 1		 L=C+E  
WS1305 .281 .215 .047 .166 WS1335 .375 .340 .047 .166
WS1306 .281 .215 .060 .166 WS1336 .375 .340 .060 .166
WS1307 .312 .185 .031 .166 See
Chart 1		 L=C+E WS1337 .437 .185 .031 .166 See
Chart 1		 L=C+E  
WS1308 .312 .185 .047 .166 WS1338 .437 .185 .047 .166
WS1309 .312 .185 .060 .166 WS1339 .437 .185 .060 .166

 
Part Number A B C D E L Part Number A B C D E L  
WS1310 .312 .215 .031 .166 See
Chart 1		 L=C+E WS1340 .437 .215 .031 .166 See
Chart 1		 L=C+E  
WS1311 .312 .215 .047 .166 WS1341 .437 .215 .047 .166
WS1312 .312 .215 .060 .166 WS1342 .437 .215 .060 .166
WS1313 .312 .245 .031 .166 See
Chart 1		 L=C+E WS1343 .437 .245 .031 .166 See
Chart 1		 L=C+E  
WS1314 .312 .245 .047 .166 WS1344 .437 .245 .047 .166
WS1315 .312 .245 .060 .166 WS1345 .437 .245 .060 .166
WS1316 .312 .278 .031 .166 See
Chart 1		 L=C+E WS1346 .437 .278 .031 .166 See
Chart 1		 L=C+E  
WS1317 .312 .278 .047 .166 WS1347 .437 .278 .047 .166
WS1318 .312 .278 .060 .166 WS1348 .437 .278 .060 .166

 
Part Number A B C D E L Part Number A B C D E L  
WS1319 .375 .185 .031 .166 See
Chart 1		 L=C+E WS1349 .437 .310 .031 .166 See
Chart 1		 L=C+E  
WS1320 .375 .185 .047 .166 WS1350 .437 .310 .047 .166
WS1321 .375 .185 .060 .166 WS1351 .437 .310 .060 .166
WS1322 .375 .215 .031 .166 See
Chart 1		 L=C+E WS1352 .437 .340 .031 .166 See
Chart 1		 L=C+E  
WS1323 .375 215 .047 .166 WS1353 .437 .340 .047 .166
WS1324 .375 .215 .060 .166 WS1354 .437 .340 .060 .166
WS1325 .375 .245 .031 .166 See
Chart 1		 L=C+E WS1355 .437 .370 .031 .166 See
Chart 1		 L=C+E  
WS1326 .375 .245 .047 .166 WS1356 .437 .370 .047 .166
WS1327 .375 .245 .060 .166 WS1357 .437 .370 .060 .166
WS1328 .375 .278 .031 .166 See
Chart 1		 L=C+E
WS1329 .375 .278 .047 .166
WS1330 .375 .278 .060 .166
Tolerances
A Major Diameter ± .005
B Shank Diameter + .000 /  - .005
C Thickness of Head ± .005
D Inside Diameter + .006 /  - .000
E Length of Shoulder ± .005
L Overall Length + .010 /  - .005
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UNICORP is a worldwide leader in manufacturing stock & custom electronic hardware, handles
 & precision fasteners used by leading companies in nearly every industry since 1971.
 
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