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National Stock Number:
5310-99-352-6687
Federal Supply Class:
5310
National Item Identification Number:
993526687
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:
| SUM3990 | K5294 | GE AVIATION SYSTEMS LIMITED |
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Techincal Specification:
| HOLE DIAMETER | 0.251 INCHES MINIMUM AND 0.256 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | BS 970 PART 4 GRADE 325S21 (WITHDRAWN) NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE | | MATERIAL THICKNESS | 0.040 INCHES NOMINAL | | MATERIAL | STEEL | | OUTSIDE DIAMETER | 0.795 INCHES MINIMUM AND 0.805 INCHES MAXIMUM | | OVERALL HEIGHT | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM | | RECESS DEPTH | 0.129 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BLACKENED SMITHS INDUSTRIES 0722-602 MFR REF SINGLE TREATMENT RESPONSE |
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