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National Stock Number:
5310-00-987-9257
Federal Supply Class:
5310
National Item Identification Number:
009879257
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:
| 561056 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM | | OVERALL HEIGHT | 0.050 INCHES MINIMUM AND 0.080 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.033 INCHES MINIMUM AND 0.048 INCHES MAXIMUM | | MATERIAL | STEEL COMP 410 OVERALL | | RECESS DEPTH | 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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