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National Stock Number:
5310-00-840-6904
Federal Supply Class:
5310
National Item Identification Number:
008406904
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:
| 10892348 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| HARDNESS RATING | 301.0 BRINELL HULTGREN MINIMUM AND 336.0 BRINELL HULTGREN MAXIMUM | | HEAT TREATMENT | QUENCHED AND TEMPERED | | HOLE DIAMETER | 0.810 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.735 INCHES MINIMUM AND 2.745 INCHES MAXIMUM | | OVERALL HEIGHT | 0.250 INCHES NOMINAL | | MATERIAL | STEEL COMP 4140 OR STEEL COMP 5140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL | | RECESS DIAMETER | 1.380 INCHES NOMINAL | | RECESS DEPTH | 0.130 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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