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National Stock Number:
5310-01-243-9438
Federal Supply Class:
5310
National Item Identification Number:
012439438
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:
| 70219-42422-142 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| HOLE DIAMETER | 0.6240 INCHES MINIMUM AND 0.6252 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 0.875 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.6352 INCHES MINIMUM AND 0.6540 INCHES MAXIMUM | | SHOULDER HEIGHT | 0.011 INCHES MINIMUM AND 0.028 INCHES MAXIMUM | | SPECIAL FEATURES | TOP OUTSIDE CORNER 22 DEG | | STYLE DESIGNATOR | SHOULDERED AND RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
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