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National Stock Number:
5310-00-087-3057
Federal Supply Class:
5310
National Item Identification Number:
000873057
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:
| SCB614660 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| MATERIAL | STEEL COMP 302 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE FILM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 171 FINISH 3.3.2 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | COLOR | BLACK OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.438 INCHES MINIMUM AND | | 0.443 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.562 INCHES NOMINAL | | RECESS DIAMETER | 0.478 INCHES MINIMUM AND | | 0.483 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.031 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL |
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