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National Stock Number:
5310-00-470-8535
Federal Supply Class:
5310
National Item Identification Number:
004708535
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:
| 12K4155-7 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| HOLE DIAMETER | 0.952 INCHES MINIMUM AND 0.963 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.375 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-705,ALLOY 2024,T3,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | RECESS DIAMETER | 1.198 INCHES MINIMUM AND 1.213 INCHES MAXIMUM | | RECESS ANGLE | 44.5 DEGREES MINIMUM AND 45.5 DEGREES MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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