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National Stock Number:
5310-00-099-8757
Federal Supply Class:
5310
National Item Identification Number:
000998757
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:
| 153-0050-001REF | 94756 | THE BOEING COMPANY | | LD153-0004-0002 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| HOLE DIAMETER | 0.315 INCHES MINIMUM AND 0.324 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.593 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/11 TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/12 TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.067 INCHES MINIMUM AND 0.075 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 7075 OVERALL | | RECESS DIAMETER | 0.401 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES MINIMUM | | RECESS DEPTH | 0.040 INCHES NOMINAL | | SPECIAL FEATURES | DYE RED | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR -12-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OR CHROMATE OVERALL |
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