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National Stock Number:
5310-00-531-8830
Federal Supply Class:
5310
National Item Identification Number:
005318830
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:
| 30-2507 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| HEAT TREATMENT | NORMALIZED | | HOLE DIAMETER | 1.640 INCHES MINIMUM AND 1.660 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.290 INCHES MINIMUM AND 2.310 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.125 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 OVERALL | | RECESS DIAMETER | 1.820 INCHES MINIMUM AND 1.840 INCHES MAXIMUM | | RECESS ANGLE | 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | CADMIUM OVERALL |
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