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National Stock Number:
5310-01-151-1446
Federal Supply Class:
5310
National Item Identification Number:
011511446
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:
| 36-1893 | 82918 | THE BOEING COMPANY |
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Techincal Specification:
| HOLE DIAMETER | 1.250 INCHES MINIMUM AND 1.255 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.280 INCHES MINIMUM AND 2.300 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.280 INCHES MINIMUM AND 0.320 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4140 AND STEEL COMP 8740 OVERALL | | RECESS ANGLE | 45.0 DEGREES NOMINAL | | RECESS DIAMETER | 1.456 INCHES MINIMUM AND 1.462 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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