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National Stock Number:
5310-00-543-2252
Federal Supply Class:
5310
National Item Identification Number:
005432252
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:
| 76620 | 24930 | L3HARRIS TECHNOLOGIES, INC |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 6061 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-327 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CHROMATE OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | HOLE DIAMETER | 1.805 INCHES MINIMUM AND | | 1.807 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.458 INCHES MINIMUM AND | | 2.460 INCHES MAXIMUM | | RECESS DIAMETER | 1.855 INCHES MINIMUM AND | | 1.857 INCHES MAXIMUM | | RECESS DEPTH | 0.015 INCHES MINIMUM AND | | 0.035 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.219 INCHES MINIMUM AND | | 0.221 INCHES MAXIMUM | | TOP RECESS DIAMETER | 1.855 INCHES MINIMUM AND | | 1.857 INCHES MAXIMUM | | BOTTOM RECESS DIAMETER | 1.855 INCHES MINIMUM AND | | 1.857 INCHES MAXIMUM | | BOTTOM RECESS ANGLE | 89.5 DEGREES MINIMUM AND | | 90.5 DEGREES MAXIMUM | | TOP RECESS ANGLE | 89.5 DEGREES MINIMUM AND | | 90.5 DEGREES MAXIMUM | | RECESS ANGLE | 89.5 DEGREES MINIMUM AND | | 90.5 DEGREES MAXIMUM | | SURFACE FINISH | 40.0 MICROINCHES ALL SURFACES | | SPECIAL FEATURES | BOTH OUTSIDE EDGES ARE CHAMFERED 0.025 INCH BY 45 DEGREES PORM 1/2 DEGREE |
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