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National Stock Number:
5310-01-111-5543
Federal Supply Class:
5310
National Item Identification Number:
011115543
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:
| 13058058 | 82577 | RAYTHEON COMPANY |
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Techincal Specification:
| HOLE DIAMETER | 0.367 INCHES MINIMUM AND 0.374 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.558 INCHES MINIMUM AND 0.559 INCHES MAXIMUM | | OVERALL HEIGHT | 0.054 INCHES MINIMUM AND 0.058 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.032 INCHES MINIMUM AND 0.036 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 6061 OVERALL | | RECESS DEPTH | 0.022 INCHES MINIMUM AND 0.026 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE FINISH | 32.0 MICROINCHES OUTER | | SURFACE FINISH | 63.0 MICROINCHES TOP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CHROMATE OVERALL |
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