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National Stock Number:
5310-01-016-7885
Federal Supply Class:
5310
National Item Identification Number:
010167885
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:
| 140-007-21-21C4 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 0.398 INCHES MINIMUM AND 0.408 INCHES MAXIMUM | | HEAT TREATMENT | QUENCHED AND TEMPERED | | HOLE DIAMETER | 0.328 INCHES MINIMUM AND 0.338 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.646 INCHES MINIMUM AND 0.666 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | MATERIAL | STEEL COMP H11 OVERALL | | MINIMUM TENSILE STRENGTH | 240000 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS DIAMETER | 0.398 INCHES MINIMUM AND 0.408 INCHES MAXIMUM |
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