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National Stock Number:
5310-00-209-1661
Federal Supply Class:
5310
National Item Identification Number:
002091661
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:
| 726248-3 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| HOLE DIAMETER | 0.437 INCHES MINIMUM AND 0.444 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM | | MATERIAL | STEEL COMP 8630 OVERALL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DEPTH | 0.078 INCHES NOMINAL | | RECESS DIAMETER | 0.642 INCHES MINIMUM AND 0.649 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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