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National Stock Number:
5310-01-170-8544
Federal Supply Class:
5310
National Item Identification Number:
011708544
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:
| SS5103-D06 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | SS5103D06 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| HOLE DIAMETER | 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.687 INCHES NOMINAL | | MATERIAL THICKNESS | 0.080 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 5052 OVERALL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.483 INCHES MINIMUM AND 0.495 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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