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National Stock Number:
5310-00-246-2548
Federal Supply Class:
5310
National Item Identification Number:
002462548
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:
| C5-15-4662 | 81361 | EDGEWOOD CHEMICAL BIOLOGICAL CENTER ECBC |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 83.0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM | | HOLE DIAMETER | 0.115 INCHES MINIMUM AND 0.145 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM | | MATERIAL | PLASTIC ACETAL OVERALL | | SPECIAL FEATURES | CHAMFER OD 0.050 IN. FULL RADIUS | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE FINISH | 63.0 MICROINCHES INNER | | SURFACE FINISH | 63.0 MICROINCHES TOP | | SURFACE FINISH | 16.0 MICROINCHES OUTER | | SURFACE FINISH | 63.0 MICROINCHES COUNTERBORE FACE | | SURFACE FINISH | 63.0 MICROINCHES COUNTERBORE WALL | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS DIAMETER | 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
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