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National Stock Number: 5310-00-585-7233
Federal Supply Class: 5310
National Item Identification Number: 005857233
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:
774829-1 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
HOLE DIAMETER | 0.252 INCHES MINIMUM AND 0.258 INCHES MAXIMUM | OUTSIDE DIAMETER | 0.585 INCHES NOMINAL | MATERIAL THICKNESS | 0.030 INCHES NOMINAL | MATERIAL | PLASTIC POLYESTER AND GLASS OVERALL | RECESS DIAMETER | 0.312 INCHES MINIMUM AND 0.318 INCHES MAXIMUM | RECESS ANGLE | 45.0 DEGREES NOMINAL | STYLE DESIGNATOR | RECESSED |
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