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National Stock Number:
5310-00-558-6914
Federal Supply Class:
5310
National Item Identification Number:
005586914
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:
| 00617 | 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA | | 355292-1 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.764 INCHES MINIMUM AND 0.774 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050 COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.138 INCHES MINIMUM AND 0.148 INCHES MAXIMUM | | MATERIAL | STEEL COMP 8630 OVERALL | | RECESS ANGLE | 95.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.9275 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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