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National Stock Number:
5310-00-978-0883
Federal Supply Class:
5310
National Item Identification Number:
009780883
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:
| 135B5661 | 05606 | GENERAL DYNAMICS-OTS, INC. | | 135B661 | 05606 | GENERAL DYNAMICS-OTS, INC. | | 5310PL0738250 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |
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Techincal Specification:
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM | | HEAT TREATMENT | NORMALIZED | | HOLE DIAMETER | 0.196 INCHES MINIMUM AND 0.209 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.960 INCHES MINIMUM AND 1.020 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.090 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | RECESS ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | RECESS DIAMETER | 0.392 INCHES MINIMUM AND 0.402 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | PHOSPHATE OVERALL |
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