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National Stock Number:
5310-01-385-5585
Federal Supply Class:
5310
National Item Identification Number:
013855585
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:
| HB021503-001-00 | 51215 | BOEING COMPANY, THE |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-P-250/4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.407 INCHES MINIMUM AND | | 0.411 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.790 INCHES MINIMUM AND | | 0.810 INCHES MAXIMUM | | RECESS DIAMETER | 0.499 INCHES NOMINAL | | MATERIAL THICKNESS | 0.071 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL |
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