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National Stock Number:
5310-01-448-5940
Federal Supply Class:
5310
National Item Identification Number:
014485940
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:
| 65391-11369-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| HOLE DIAMETER | 5.798 INCHES MINIMUM AND 5.800 INCHES MAXIMUM | | OUTSIDE DIAMETER | 6.279 INCHES NOMINAL | | OVERALL HEIGHT | 0.405 INCHES NOMINAL | | MATERIAL THICKNESS | 0.089 INCHES MINIMUM AND 0.091 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY OVERALL | | STYLE DESIGNATOR | RECESSED |
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