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National Stock Number:
5310-00-613-4940
Federal Supply Class:
5310
National Item Identification Number:
006134940
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:
| 2660566 | 18355 | THE BOEING COMPANY | | 2660566 | 2Y870 | AIR-COM INC | | 2660566 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| HOLE DIAMETER | 2.750 INCHES MINIMUM AND 2.760 INCHES MAXIMUM | | OUTSIDE DIAMETER | 4.094 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.125 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY OVERALL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 2.937 INCHES MINIMUM AND 2.947 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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