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National Stock Number:
5310-01-386-0454
Federal Supply Class:
5310
National Item Identification Number:
013860454
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:
| C5157809 | 03640 | LOCKHEED MARTIN CORPORATION | | C5157809 | 57958 | SIGNALS WARFARE PROJECT MANAGER |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 6061 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | HOLE DIAMETER | 0.182 INCHES MAXIMUM | | RECESS DIAMETER | 0.230 INCHES NOMINAL | | MATERIAL THICKNESS | 0.025 INCHES NOMINAL | | RECESS ANGLE | 100.0 DEGREES NOMINAL |
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