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National Stock Number:
5310-00-274-4713
Federal Supply Class:
5310
National Item Identification Number:
002744713
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:
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.459 INCHES MINIMUM AND | | 0.479 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.365 INCHES MINIMUM AND | | 1.385 INCHES MAXIMUM | | OVERALL HEIGHT | 0.146 INCHES MINIMUM AND | | 0.166 INCHES MAXIMUM | | RECESS DEPTH | 0.096 INCHES NOMINAL | | MATERIAL THICKNESS | 0.052 INCHES MINIMUM AND | | 0.072 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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