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National Stock Number:
5310-00-007-6233
Federal Supply Class:
5310
National Item Identification Number:
000076233
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:
| K641243-11 | 84955 | KAMAN AEROSPACE CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL COMP E4340 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.528 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.810 INCHES NOMINAL | | RECESS DIAMETER | 0.588 INCHES NOMINAL | | MATERIAL THICKNESS | 0.050 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | HEAT TREATMENT | QUENCHED AND | | TEMPERED | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 84955 | | DESIGN CONTROL REFERENCE | K641243-11 |
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