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National Stock Number:
5310-00-025-7244
Federal Supply Class:
5310
National Item Identification Number:
000257244
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:
| 187-48242 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| HOLE DIAMETER | 0.718 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.093 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.093 INCHES NOMINAL | | MATERIAL | STEEL COMP C4 OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | RECESS DIAMETER | 0.843 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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