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National Stock Number:
5310-01-329-3263
Federal Supply Class:
5310
National Item Identification Number:
013293263
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:
| 8615949 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.250 INCHES MINIMUM AND | | 0.251 INCHES MAXIMUM | | RADIUS | 0.031 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.490 INCHES MINIMUM AND | | 0.500 INCHES MAXIMUM | | OVERALL HEIGHT | 0.091 INCHES MINIMUM AND | | 0.096 INCHES MAXIMUM | | RECESS DIAMETER | 0.390 INCHES MINIMUM AND | | 0.394 INCHES MAXIMUM |
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