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National Stock Number:
5310-01-442-6933
Federal Supply Class:
5310
National Item Identification Number:
014426933
Description:
WASHER,RECESSED
Detail:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.
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Manufacturer Information:
| 581-6405750 AHWA FIND A12 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6111403-A12 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6405750 FIND AHWA-A12 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 2.375 INCHES NOMINAL | | COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL | | HOLE DIAMETER | 1.015 INCHES NOMINAL | | OUTSIDE DIAMETER | 3.000 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281, CLA FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.650 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY 400 OVERALL | | TOP RECESS DIAMETER | 2.375 INCHES NOMINAL |
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