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National Stock Number:
5310-00-685-2493
Federal Supply Class:
5310
National Item Identification Number:
006852493
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:
| 377018-1 | 98897 | LOCKHEED MARTIN CORP | | 5310PL1337040 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |
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Techincal Specification:
| HEAT TREATMENT | HARDENED AND TEMPERED AND COLD FINISH | | HOLE DIAMETER | 0.765 INCHES MINIMUM AND 0.776 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.210 INCHES MINIMUM AND 1.230 INCHES MAXIMUM | | OVERALL HEIGHT | 0.153 INCHES MINIMUM AND 0.167 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.153 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | RECESS DEPTH | 0.064 INCHES NOMINAL | | RECESS DIAMETER | 0.900 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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