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National Stock Number:
5310-00-310-4907
Federal Supply Class:
5310
National Item Identification Number:
003104907
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:
| 1560H13-407-3 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND | | 47-130-105-3 | 80070 | LOCKHEED MARTIN CORPORATION | | 47-130-105-3 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| HOLE DIAMETER | 0.751 INCHES MINIMUM AND 0.756 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.985 INCHES MINIMUM AND 0.990 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.165 INCHES MINIMUM AND 0.173 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.941 INCHES MINIMUM AND 0.966 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |
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