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National Stock Number:
5310-00-479-1252
Federal Supply Class:
5310
National Item Identification Number:
004791252
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:
| 5310H34-013 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND | | 65858 | 0AHP5 | CURTISS-WRIGHT CONTROLS, INC. | | SRS65858 | 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA |
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Techincal Specification:
| HARDNESS RATING | 55.0 ROCKWELL SUPERFICIAL 15-T MAXIMUM | | HOLE DIAMETER | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.470 INCHES MINIMUM AND 1.490 INCHES MAXIMUM | | OVERALL HEIGHT | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B42 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.048 INCHES MINIMUM AND 0.068 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY OVERALL | | RECESS DEPTH | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | LEAD OVERALL |
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