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National Stock Number:
5310-01-128-6687
Federal Supply Class:
5310
National Item Identification Number:
011286687
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:
| 7739644 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| HOLE DIAMETER | 0.625 INCHES MINIMUM AND 0.628 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.993 INCHES MINIMUM AND 0.996 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-11552 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM | | RECESS ANGLE | 60.0 DEGREES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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