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National Stock Number:
5310-00-931-0064
Federal Supply Class:
5310
National Item Identification Number:
009310064
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:
| 30-2479 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.281 INCHES MINIMUM AND | | 0.307 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.180 INCHES MINIMUM AND | | 1.220 INCHES MAXIMUM | | RECESS DIAMETER | 0.470 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.090 INCHES NOMINAL | | RECESS ANGLE | 100.0 DEGREES NOMINAL | | HEAT TREATMENT | T-3 SOLUTION HEAT TREATED, COLD WORKED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 81205 | | DESIGN CONTROL REFERENCE | 30-2479 |
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