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National Stock Number:
5310-00-601-9394
Federal Supply Class:
5310
National Item Identification Number:
006019394
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:
| 354669 | 98897 | LOCKHEED MARTIN CORP | | 5310PL1728102 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |
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Techincal Specification:
| HOLE DIAMETER | 0.629 INCHES MINIMUM AND 0.640 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.000 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049,COND C-4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.188 INCHES NOMINAL | | MATERIAL | STEEL COMP 8740 OVERALL | | RECESS DIAMETER | 0.779 INCHES MINIMUM AND 0.790 INCHES MAXIMUM | | RECESS ANGLE | 45.0 DEGREES NOMINAL | | SPECIAL FEATURES | FROM HOLE DIA ONE SIBE FLAT AT 45 DEGREE ANGLE; HEAT TREAT 150,000 TO 170,000 PSI PER LAC 0522,HIGH STRENGTH | | STYLE DESIGNATOR | RECESSED | | SURFACE FINISH | 250.0 MICROINCHES ALL SURFACES |
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