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National Stock Number:
5310-01-621-6606
Federal Supply Class:
5310
National Item Identification Number:
016216606
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:
| 11582686 | 1NUW7 | US ARMY BENET LABORATORIES RDAR-WSB-O | | 777.21.052 | A3QPJ | | E1211135 | A01PJ | SE ZORIA-MASHPROEKT |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 30.0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 0.485 INCHES NOMINAL | | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.192 INCHES MINIMUM AND 0.194 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | 0.37 TO 0.46C AISI-SAE ALLOY(4XXX OR 8XXX)STEEL IN AUSENITIZED,LIQUID QUENCHED AND TEMPERED CONDITION NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.063 INCHES MINIMUM AND 0.065 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 0.49 INCHES MINIMUM AND 0.51 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-DTL-16232 TYPE M OR Z,CLASS 1;SOLID FILM LUBRICANT IAW MIL-PRF-46010,COLOR 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | TOP RECESS ANGLE | 30.0 DEGREES NOMINAL | | TOP RECESS DIAMETER | 0.485 INCHES NOMINAL |
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