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National Stock Number:
5310-00-058-1442
Federal Supply Class:
5310
National Item Identification Number:
000581442
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:
| 215-34626-2 | 80378 | TRIUMPH AEROSTRUCTURES, LLC |
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Techincal Specification:
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.766 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.250 INCHES NOMINAL | | OVERALL HEIGHT | 0.260 INCHES NOMINAL | | MATERIAL THICKNESS | 0.250 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | RECESS DEPTH | 0.032 INCHES MINIMUM AND 0.037 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | CADMIUM OVERALL |
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