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National Stock Number:
5310-01-516-8057
Federal Supply Class:
5310
National Item Identification Number:
015168057
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:
| 76000207 | 04939 | LOCKHEED MARTIN CORP | | 76000207-001 | 04939 | LOCKHEED MARTIN CORP | | IT130WC4-1 | 84256 | AVIBANK MFG., INC. |
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Techincal Specification:
| HOLE DIAMETER | 0.314 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.450 INCHES NOMINAL | | MATERIAL THICKNESS | 0.043 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | RECESS ANGLE | 120.0 DEGREES NOMINAL | | SPECIAL FEATURES | CRES 304 PER QQ-S-763 | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | PASSIVATE OVERALL |
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