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National Stock Number:
5310-00-930-4118
Federal Supply Class:
5310
National Item Identification Number:
009304118
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:
| 12P4144-7 | 81755 | LOCKHEED MARTIN CORPORATION | | LM12P4144 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 0.740 INCHES NOMINAL | | HOLE DIAMETER | 0.640 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-9047 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM | | MATERIAL | TITANIUM ALLOY UNS R54520 OVERALL | | OUTSIDE DIAMETER | 1.183 INCHES MINIMUM AND 1.208 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS DIAMETER | 0.740 INCHES NOMINAL |
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