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National Stock Number:
5310-00-094-3557
Federal Supply Class:
5310
National Item Identification Number:
000943557
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:
| LS2816-4 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| HOLE DIAMETER | 0.188 INCHES MINIMUM AND 0.218 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.547 INCHES MINIMUM AND 0.567 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.081 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY OVERALL | | RECESS DIAMETER | 0.436 INCHES MINIMUM AND 0.456 INCHES MAXIMUM | | RECESS ANGLE | 119.0 DEGREES MINIMUM AND 121.0 DEGREES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | CHROMIUM OVERALL |
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