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National Stock Number:
5310-01-031-8410
Federal Supply Class:
5310
National Item Identification Number:
010318410
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:
| 2498571 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| COLOR | BLACK OVERALL | | CRITICALITY CODE JUSTIFICATION | ZZZW | | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY SPECIAL QUALITY CONTROL TESTING FOR MK 48 TORPEDO | | HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.4385 INCHES MINIMUM AND 0.4435 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.115 INCHES NOMINAL | | MATERIAL THICKNESS | 0.128 INCHES MINIMUM AND 0.138 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4140H OVERALL | | RECESS DIAMETER | 0.4635 INCHES MINIMUM AND 0.4785 INCHES MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | SHOULDER HEIGHT | 0.111 INCHES MINIMUM AND 0.123 INCHES MAXIMUM | | SPECIAL FEATURES | SHOULDER BEVELED ON A 30 DEG ANGLE | | STYLE DESIGNATOR | SHOULDERED AND RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE FILM OVERALL |
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