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National Stock Number:
5310-01-317-1328
Federal Supply Class:
5310
National Item Identification Number:
013171328
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:
| A3041651 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 6061 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/8,T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.250 INCHES MINIMUM AND | | 0.260 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.480 INCHES MINIMUM AND | | 0.490 INCHES MAXIMUM | | OVERALL HEIGHT | 0.104 INCHES NOMINAL | | RECESS DIAMETER | 0.401 INCHES MINIMUM AND | | 0.411 INCHES MAXIMUM | | RECESS DEPTH | 0.050 INCHES NOMINAL |
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