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National Stock Number:
5310-01-448-0943
Federal Supply Class:
5310
National Item Identification Number:
014480943
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:
| 5749946 FIND 9 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 75775CY-12 | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| MATERIAL | IRON ALLOY 660 OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.752 INCHES MINIMUM AND | | 0.766 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.240 INCHES MINIMUM AND | | 1.260 INCHES MAXIMUM | | RECESS DIAMETER | 0.895 INCHES MINIMUM AND | | 0.905 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.071 INCHES MINIMUM AND | | 0.085 INCHES MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL |
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