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National Stock Number:
5310-00-451-6875
Federal Supply Class:
5310
National Item Identification Number:
004516875
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:
| 12L9093-701 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| HOLE DIAMETER | 0.451 INCHES MINIMUM AND 0.461 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM | | RECESS DEPTH | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM | | RECESS DIAMETER | 0.591 INCHES MINIMUM AND 0.601 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED BOTH SIDES |
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