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National Stock Number:
5310-00-930-4119
Federal Supply Class:
5310
National Item Identification Number:
009304119
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:
| 12P4144-9 | 30205 | MERCER PRODUCTS & MANUFACTURING COMPANY | | 12P4144-9 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| MATERIAL | TITANIUM ALLOY UNS R54520 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-9047 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | HOLE DIAMETER | 0.391 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.870 INCHES MINIMUM AND | | 0.895 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.125 INCHES MINIMUM AND | | 0.130 INCHES MAXIMUM | | TOP RECESS DIAMETER | 0.491 INCHES NOMINAL | | BOTTOM RECESS DIAMETER | 0.491 INCHES NOMINAL | | BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL |
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