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National Stock Number:
5310-00-912-3693
Federal Supply Class:
5310
National Item Identification Number:
009123693
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:
| 2051056 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 90.5 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 0.937 INCHES MAXIMUM | | HOLE DIAMETER | 0.875 INCHES MINIMUM AND 0.877 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.322 INCHES MINIMUM AND 0.328 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 7075 OVERALL | | OUTSIDE DIAMETER | 1.367 INCHES MINIMUM AND 1.369 INCHES MAXIMUM | | SPECIAL FEATURES | OUTSIDE EDGES OF BOTH SURFACES CHAMFERED 0.030 IN. PORM 0.010 IN. BY 45 DEG PORM 1/2 DEG. | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE FINISH | 32.0 MICROINCHES INNER | | SURFACE FINISH | 32.0 MICROINCHES OUTER | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE FINISH | 63.0 MICROINCHES TOP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | TOP RECESS ANGLE | 89.5 DEGREES NOMINAL | | TOP RECESS DIAMETER | 0.935 INCHES MINIMUM |
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