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National Stock Number:
5310-12-163-5131
Federal Supply Class:
5310
National Item Identification Number:
121635131
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:
| 4983530251 | D8046 | DAIMLER AG | | 81.91710-0134 | D3273 | MAN TRUCK & BUS AG | | 81917100134 | D3273 | MAN TRUCK & BUS AG |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 90,0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 53,0 MILLIMETERS NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 59,0 ROCKWELL C MINIMUM AND 63,0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 51,0 MILLIMETERS NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | DIN17210 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL THICKNESS | 16,0 MILLIMETERS NOMINAL | | MATERIAL | STEEL COMP 1.0401 | | OUTSIDE DIAMETER | 68,0 MILLIMETERS NOMINAL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DBL8400 MFR REF SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | PHOSPHATE | | TOP RECESS DIAMETER | 53,0 MILLIMETERS NOMINAL | | TOP RECESS ANGLE | 90,0 DEGREES NOMINAL |
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