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National Stock Number:
5310-01-408-9592
Federal Supply Class:
5310
National Item Identification Number:
014089592
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:
| 12304648-2 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| MATERIAL | STEEL COMP 1015 OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.250 INCHES MINIMUM AND | | 0.255 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.950 INCHES MINIMUM AND | | 0.970 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.140 INCHES MINIMUM AND | | 0.160 INCHES MAXIMUM | | RECESS ANGLE | 80.0 DEGREES MINIMUM AND | | 82.0 DEGREES MAXIMUM |
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