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National Stock Number:
5310-01-088-3426
Federal Supply Class:
5310
National Item Identification Number:
010883426
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:
| 5169285-001 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 77332C-14 | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| MATERIAL | NICKEL ALLOY 718 OVERALL | | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.879 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.780 INCHES NOMINAL | | RECESS DIAMETER | 1.028 INCHES NOMINAL | | MATERIAL THICKNESS | 0.109 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | SURFACE FINISH | 100.0 MICROINCHES ALL SURFACES | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 56878 | | DESIGN CONTROL REFERENCE | 77332C-14 |
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