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National Stock Number:
5310-01-132-2196
Federal Supply Class:
5310
National Item Identification Number:
011322196
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:
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Techincal Specification:
| HOLE DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.750 INCHES NOMINAL | | MATERIAL THICKNESS | 0.062 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | RECESS ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM | | RECESS DIAMETER | 0.500 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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