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National Stock Number:
5310-01-471-0733
Federal Supply Class:
5310
National Item Identification Number:
014710733
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:
| 13385378 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.830 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.990 INCHES NOMINAL | | RECESS DIAMETER | 0.645 INCHES NOMINAL | | RECESS DEPTH | 0.081 INCHES NOMINAL | | MATERIAL THICKNESS | 0.160 INCHES MINIMUM AND | | 0.180 INCHES MAXIMUM | | RECESS ANGLE | 56.0 DEGREES NOMINAL |
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