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National Stock Number:
5310-01-053-8947
Federal Supply Class:
5310
National Item Identification Number:
010538947
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:
| 639AS627-16 | 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 1ST MATERIAL RESPONSE OR | | QQ-B-613,TEMPER HARD FED SPEC 2ND MATERIAL RESPONSE OR | | QQ-B-626,TEMPER HARD FED SPEC 1ST MATERIAL RESPONSE OR | | QQ-B-626,TEMPER HARD FED SPEC 2ND MATERIAL RESPONSE 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 MINIMUM AND | | 0.103 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.0195 INCHES MINIMUM AND | | 0.0205 INCHES MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | SURFACE FINISH | 16.0 MICROINCHES TOP | | 16.0 MICROINCHES BOTTOM |
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