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National Stock Number:
5310-00-930-6595
Federal Supply Class:
5310
National Item Identification Number:
009306595
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:
| 12L9093-7 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL COMP 410 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5612 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | HOLE DIAMETER | 0.514 INCHES MINIMUM AND | | 0.523 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.875 INCHES NOMINAL | | RECESS DEPTH | 0.070 INCHES NOMINAL | | MATERIAL THICKNESS | 0.180 INCHES NOMINAL | | TOP RECESS DIAMETER | 0.699 INCHES NOMINAL | | BOTTOM RECESS DIAMETER | 0.699 INCHES NOMINAL | | BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
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