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National Stock Number:
5310-00-551-7776
Federal Supply Class:
5310
National Item Identification Number:
005517776
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:
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Techincal Specification:
| HOLE DIAMETER | 0.313 INCHES MINIMUM AND 0.333 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.771 INCHES MINIMUM AND 1.791 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | RECESS ANGLE | 146.0 DEGREES NOMINAL | | SHOULDER DIAMETER | 1.450 INCHES MINIMUM AND 1.460 INCHES MAXIMUM | | SHOULDER HEIGHT | 0.117 INCHES MINIMUM AND 0.123 INCHES MAXIMUM | | STYLE DESIGNATOR | SHOULDERED AND RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL |
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