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National Stock Number:
5310-00-928-0494
Federal Supply Class:
5310
National Item Identification Number:
009280494
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:
| 12M9594-7 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.375 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.615 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | RECESS DIAMETER | 0.410 INCHES MINIMUM AND | | 0.435 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.060 INCHES MINIMUM AND | | 0.065 INCHES MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 81755 | | DESIGN CONTROL REFERENCE | 12M9594-7 |
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