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National Stock Number:
5310-00-485-9600
Federal Supply Class:
5310
National Item Identification Number:
004859600
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:
| 8167845 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| HEAT TREATMENT | AS FABRICATED | | HOLE DIAMETER | 8.031 INCHES MINIMUM AND 8.094 INCHES MAXIMUM | | OUTSIDE DIAMETER | 10.969 INCHES MINIMUM AND 11.031 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY 954 OVERALL | | RECESS ANGLE | 45.0 DEGREES NOMINAL | | RECESS DIAMETER | 8.406 INCHES MINIMUM AND 8.468 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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