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National Stock Number:
5310-01-191-2517
Federal Supply Class:
5310
National Item Identification Number:
011912517
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:
| 75A732269-2003 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 172 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-533,TEMPER H FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.757 INCHES MINIMUM AND | | 0.770 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.250 INCHES NOMINAL | | RECESS DIAMETER | 0.890 INCHES MINIMUM AND | | 0.910 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.080 INCHES NOMINAL | | RECESS ANGLE | 89.0 DEGREES MINIMUM AND | | 91.0 DEGREES MAXIMUM |
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