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National Stock Number:
5310-00-035-5309
Federal Supply Class:
5310
National Item Identification Number:
000355309
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:
| 53-310104-19 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| HEAT TREATMENT | F-AS FABRICATED | | HOLE DIAMETER | 0.438 INCHES MINIMUM AND 0.445 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM | | OVERALL HEIGHT | 0.310 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.2040 INCHES MINIMUM AND 0.2245 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 7075 OVERALL | | RECESS DEPTH | 0.200 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | CADMIUM OVERALL |
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