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National Stock Number:
5310-01-137-3958
Federal Supply Class:
5310
National Item Identification Number:
011373958
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:
| 803-5001048 PIECE 65 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 1.124 INCHES MINIMUM AND 1.184 INCHES MAXIMUM | | HOLE DIAMETER | 1.094 INCHES NOMINAL | | OUTSIDE DIAMETER | 3.718 INCHES MINIMUM AND 3.720 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM | | MATERIAL | PLASTIC ACETAL OVERALL | | SPECIAL FEATURES | CHAMFER OUTSIDE EDGES 0.015 IN. MIN 0.045 IN. MAX BY 45.0 DEG | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS DIAMETER | 1.124 INCHES MINIMUM AND 1.184 INCHES MAXIMUM |
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