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National Stock Number:
5310-01-053-1007
Federal Supply Class:
5310
National Item Identification Number:
010531007
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:
| 639AS627-5 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 260 OR | | COPPER ALLOY 268 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613,TEMPER HARD FED SPEC ALL MATERIAL RESPONSES OR | | QQ-B-626,TEMPER HARD FED SPEC ALL MATERIAL RESPONSES OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.096 INCHES MINIMUM AND | | 0.097 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.141 INCHES MINIMUM AND | | 0.146 INCHES MAXIMUM | | RECESS DIAMETER | 0.102 INCHES NOMINAL | | MATERIAL THICKNESS | 0.0085 INCHES MINIMUM AND | | 0.0095 INCHES MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | SURFACE FINISH | 16.0 MICROINCHES TOP | | 16.0 MICROINCHES BOTTOM |
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