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.140 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
.140 Inside Diameter - For Size 6 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  
WS1251 .281 .185 .031 .140 See
Chart 1		 L=C+E WS1275 .375 .278 .031 .140 See
Chart 1		 L=C+E  
WS1252 .281 .185 .047 .140 WS1276 .375 .278 .047 .140
WS1253 .281 .185 .060 .140 WS1277 .375 .278 .060 .140
WS1254 .281 .215 .031 .140 See
Chart 1		 L=C+E WS1278 .437 .185 .031 .140 See
Chart 1		 L=C+E  
WS1255 .281 .215 .047 .140 WS1279 .437 .185 .047 .140
WS1256 .281 .215 .060 .140 WS1280 .437 .185 .060 .140
WS1257 .312 .185 .031 .140 See
Chart 1		 L=C+E WS1281 .437 .215 .031 .140 See
Chart 1		 L=C+E  
WS1258 .312 .185 .047 .140 WS1282 .437 .215 .047 .140
WS1259 .312 .185 .060 .140 WS1283 .437 .215 .060 .140
WS1260 .312 .215 .031 .140 See
Chart 1		 L=C+E WS1284 .437 .245 .031 .140 See
Chart 1		 L=C+E  
WS1261 .312 .215 .047 .140 WS1285 .437 .245 .047 .140
WS1262 .312 .215 .060 .140 WS1286 .437 .245 .060 .140

 
Part Number A B C D E L Part Number A B C D E L  
WS1263 .312 .245 .031 .140 See
Chart 1		 L=C+E WS1287 .437 .278 .031 .140 See
Chart 1		 L=C+E  
WS1264 .312 .245 .047 .140 WS1288 .437 .278 .047 .140
WS1265 .312 .245 .060 .140 WS1289 .437 .278 .060 .140
WS1266 .375 .185 .031 .140 See
Chart 1		 L=C+E WS1290 .437 .310 .031 .140 See
Chart 1		 L=C+E  
WS1267 .375 .185 .047 .140 WS1291 .437 .310 .047 .140
WS1268 .375 .185 .060 .140 WS1292 .437 .310 .060 .140
WS1269 .375 .215 .031 .140 See
Chart 1		 L=C+E WS1293 .437 .370 .031 .140 See
Chart 1		 L=C+E  
WS1270 .375 .215 .047 .140 WS1294 .437 .370 .047 .140
WS1271 .375 .215 .060 .140 WS1295 .437 .370 .060 .140
WS1272 .375 .245 .031 .140 See
Chart 1		 L=C+E
WS1273 .375 .245 .047 .140
WS1274 .375 .245 .060 .140
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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