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National Stock Number:
5310-01-273-2061
Federal Supply Class:
5310
National Item Identification Number:
012732061
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:
| SM-C-850327 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| HOLE DIAMETER | 3.118 INCHES MINIMUM AND 3.122 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.298 INCHES MINIMUM AND 3.301 INCHES MAXIMUM | | OVERALL HEIGHT | 0.480 INCHES MINIMUM AND 0.484 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11 T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.179 INCHES MINIMUM AND 0.180 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 6061 OVERALL | | RECESS DEPTH | 0.475 INCHES MINIMUM AND 0.479 INCHES MAXIMUM | | STYLE DESIGNATOR | SPRING TENSION |
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