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National Stock Number:
5310-01-490-5898
Federal Supply Class:
5310
National Item Identification Number:
014905898
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:
| 13056824 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| HOLE DIAMETER | 0.090 INCHES MINIMUM AND 0.096 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.250 INCHES NOMINAL | | OVERALL HEIGHT | 0.108 INCHES MINIMUM AND 0.118 INCHES MAXIMUM | | RECESS DEPTH | 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM | | SPECIAL FEATURES | FLAT CUTS TO INSIDE RECESSED PORTION - FILLET AND CORNER RADIUS SHALL BE .005 MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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