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National Stock Number:
5310-01-564-9149
Federal Supply Class:
5310
National Item Identification Number:
015649149
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:
| 12502454 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PAINT OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.510 INCHES NOMINAL | | RADIUS | 0.030 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.875 INCHES NOMINAL | | OVERALL HEIGHT | 0.375 INCHES NOMINAL | | CLOSED INSIDE DIAMETER | 0.510 INCHES NOMINAL | | CLOSED OUTSIDE DIAMETER | 2.875 INCHES NOMINAL | | SPECIAL FEATURES | COLOR: TAN | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, ARMOR, CUPOLA |
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