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National Stock Number:
5310-01-245-7732
Federal Supply Class:
5310
National Item Identification Number:
012457732
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:
| K616054-11 | 84955 | KAMAN AEROSPACE CORPORATION |
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Techincal Specification:
| HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.060 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 OVERALL | | OUTSIDE DIAMETER | 0.294 INCHES MINIMUM AND 0.315 INCHES MAXIMUM | | RECESS ANGLE | 60.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.230 INCHES NOMINAL | | SPECIAL FEATURES | H5 DEG CHAMFER BY 0.045 IN. ON TWO SIDES | | STYLE DESIGNATOR | RECESSED |
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