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National Stock Number:
5310-00-680-4831
Federal Supply Class:
5310
National Item Identification Number:
006804831
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:
| 26-1933 | 81205 | THE BOEING COMPANY | | 26-1933 | 82918 | THE BOEING COMPANY |
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Techincal Specification:
| HOLE DIAMETER | 1.040 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.750 INCHES NOMINAL | | OVERALL HEIGHT | 0.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.410 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | RECESS DEPTH | 0.200 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | CADMIUM OVERALL |
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