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National Stock Number:
5310-00-281-2396
Federal Supply Class:
5310
National Item Identification Number:
002812396
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:
| 1387057 | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT | | 1387057 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 20J910PC280 | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT | | 20J910PC280 | 79500 | WESTINGHOUSE ELECTRIC CORP |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 1.250 INCHES NOMINAL | | HOLE DIAMETER | 1.0625 INCHES NOMINAL | | OUTSIDE DIAMETER | 3.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-20166 GRADE M MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS DIAMETER | 1.250 INCHES NOMINAL |
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