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National Stock Number:
5310-01-508-1274
Federal Supply Class:
5310
National Item Identification Number:
015081274
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:
| 596-6392774 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6390645 FIND 116 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6392774-1 | 31442 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 6392774-1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 45.0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 0.080 INCHES NOMINAL | | HOLE DIAMETER | 1.005 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.745 INCHES MINIMUM AND 1.770 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281, CLASS A MIL SPEC 1ST MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY AND NICKEL ALLOY OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | TOP RECESS ANGLE | 45.0 DEGREES NOMINAL | | TOP RECESS DIAMETER | 1.025 INCHES NOMINAL |
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