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National Stock Number:
5310-00-140-7954
Federal Supply Class:
5310
National Item Identification Number:
001407954
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:
| B509001048-1 | 14804 | SINGER CO THE KEARFOTT DIV | | B509001048-1 | 88818 | KEARFOTT CORPORATION |
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Techincal Specification:
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM | | HOLE DIAMETER | 0.285 INCHES MINIMUM AND 0.286 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.622 INCHES MINIMUM AND 0.628 INCHES MAXIMUM | | OVERALL HEIGHT | 0.030 INCHES MINIMUM AND 0.036 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-533 HALF HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.011 INCHES MINIMUM AND 0.013 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY OVERALL | | MINIMUM TENSILE STRENGTH | 185000 POUNDS PER SQUARE INCH | | RECESS DEPTH | 0.025 INCHES MINIMUM AND 0.029 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |
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