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National Stock Number:
5310-00-799-8962
Federal Supply Class:
5310
National Item Identification Number:
007998962
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:
| C4BM1338-1 | 71867 | DE HAVILLAND AIRCRAFT OF CANADA LIMITED |
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Techincal Specification:
| HOLE DIAMETER | 1.533 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.058 INCHES NOMINAL | | MATERIAL THICKNESS | 0.312 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY OVERALL | | RECESS DIAMETER | 1.774 INCHES NOMINAL | | RECESS ANGLE | 68.0 DEGREES NOMINAL | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | ANODIZE OVERALL |
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