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National Stock Number:
5340-00-221-5478
Federal Supply Class:
5340
National Item Identification Number:
002215478
Description:
SEAT,HELICAL COMPRESSION SPRING
Detail:
A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a RETAINER, HELICAL COMPRESSION SPRING. Excludes WASHER (1), (as modified); SEAT, BALL SOCKET and HOLDER, SPRING. See also ROTOR, ENGINE POPPET VALVE.
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Manufacturer Information:
| 1076725 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| END DIAMETER | 0.8750 INCHES NOMINAL | | BORE DIAMETER | 0.4420 INCHES MINIMUM AND 0.4470 INCHES MAXIMUM | | COUNTERBORE LENGTH | 0.1880 INCHES MINIMUM AND 0.2030 INCHES MAXIMUM | | COUNTERBORE DIAMETER | 0.8750 INCHES NOMINAL | | DESIGN TYPE | SOLID | | DISTANCE FROM END TO FIRST STEP | 0.2190 INCHES MINIMUM AND 0.2340 INCHES MAXIMUM | | FIRST STEP DIAMETER | 1.1000 INCHES MINIMUM AND 1.1150 INCHES MAXIMUM | | OVERALL HEIGHT | 0.5150 INCHES NOMINAL | | MATERIAL HARDNESS RATING | 56.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL | | STYLE DESIGNATOR | SEAT | | SURFACE TREATMENT | PHOSPHATE |
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