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National Stock Number:
5310-01-172-0962
Federal Supply Class:
5310
National Item Identification Number:
011720962
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:
| 70400-25160-106 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| HOLE DIAMETER | 0.237 INCHES MINIMUM AND 0.242 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.070 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 OVERALL | | OUTSIDE DIAMETER | 0.625 INCHES NOMINAL | | RECESS ANGLE | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM | | RECESS DIAMETER | 0.292 INCHES MINIMUM AND 0.307 INCHES MAXIMUM | | SHOULDER DIAMETER | 0.3756 INCHES MINIMUM AND 0.3761 INCHES MAXIMUM | | SHOULDER HEIGHT | 0.075 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDERED AND RECESSED | | SURFACE FINISH | 63.0 MICROINCHES COUNTERBORE WALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
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