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National Stock Number:
5310-01-076-8132
Federal Supply Class:
5310
National Item Identification Number:
010768132
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:
| 708-4674145 ITEM 11 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| HOLE DIAMETER | 2.016 INCHES NOMINAL | | OUTSIDE DIAMETER | 4.000 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | (DELRIN) 50,FSCM 53711 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.235 INCHES NOMINAL | | MATERIAL | PLASTIC ACETAL OVERALL | | RECESS DIAMETER | 2.136 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | SPECIAL FEATURES | CHAMFER 0.060 IN. BY 45 DEGREES ON OUTSIDE CORNERS | | STYLE DESIGNATOR | RECESSED | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |
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