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National Stock Number:
5310-00-209-2504
Federal Supply Class:
5310
National Item Identification Number:
002092504
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:
| 343663 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| HEAT TREATMENT | NORMALIZED | | HOLE DIAMETER | 1.135 INCHES MINIMUM AND 1.150 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.750 INCHES NOMINAL | | MATERIAL THICKNESS | 0.078 INCHES NOMINAL | | MATERIAL | STEEL COMP 8630 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | RECESS DIAMETER | 1.285 INCHES MAXIMUM | | RECESS ANGLE | 45.0 DEGREES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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