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National Stock Number:
5310-01-508-5548
Federal Supply Class:
5310
National Item Identification Number:
015085548
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:
| 138385-1 | 94271 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| HOLE DIAMETER | 0.265 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTMAS81 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.090 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OVERALL | | SPECIAL FEATURES | 45 DEGREE CHAMFER BOTH SIDES | | RADIUS | 0.015 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE TREATMENT | PASSIVATE OVERALL |
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