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National Stock Number:
5310-01-194-0701
Federal Supply Class:
5310
National Item Identification Number:
011940701
Description:
WASHER,SHOULDERED AND RECESSED
Detail:
A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use BEARING, SLEEVE; BUSHING, SLEEVE; or SPACER, SLEEVE. Excludes INSULATOR, WASHER and thrust type washers.
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Manufacturer Information:
| 248990 | 09205 | LOCKHEED MARTIN CORP ELECTRONICS AND MISSILES DIV | | 248990 | 64328 | RONCELLI PLASTICS INC |
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Techincal Specification:
| OUTSIDE DIAMETER | 1.562 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 1.250 INCHES MINIMUM AND 1.272 INCHES MAXIMUM | | SHOULDER DIAMETER | 1.313 INCHES MINIMUM AND 1.315 INCHES MAXIMUM | | SHOULDER HEIGHT | 0.162 INCHES MINIMUM AND 0.166 INCHES MAXIMUM | | SPECIAL FEATURES | CHAMFER OUTSIDE LEFT CORNER OF BOSS 0.025 IN. MIN,0.035 IN. MAX BY 45 DEG | | STYLE DESIGNATOR | SHOULDERED AND RECESSED | | SURFACE FINISH | 32.0 MICROINCHES COUNTERBORE WALL | | SURFACE FINISH | 32.0 MICROINCHES INNER | | SURFACE FINISH | 32.0 MICROINCHES SHOULDER FACE | | SURFACE FINISH | 32.0 MICROINCHES TOP | | HOLE DIAMETER | 1.210 INCHES MINIMUM AND 1.212 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | L-P-392,TY 1,CL 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.035 INCHES MINIMUM AND 0.037 INCHES MAXIMUM | | MATERIAL | PLASTIC ACETAL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS |
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