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National Stock Number:
5310-01-271-6900
Federal Supply Class:
5310
National Item Identification Number:
012716900
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:
| 5893851 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BOTTOM RECESS DIAMETER | 0.273 INCHES MINIMUM AND 0.293 INCHES MAXIMUM | | HOLE DIAMETER | 0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.593 INCHES MINIMUM AND 0.597 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.066 INCHES MINIMUM AND 0.074 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 6061 OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 3,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE AND DICHROMATE OVERALL | | TOP RECESS DIAMETER | 0.273 INCHES MINIMUM AND 0.293 INCHES MAXIMUM |
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