NSN 5340-00-221-5478
Part Details | HELICAL COMPRESSION SPRING SEAT
5340-00-221-5478 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.
Alternate Parts: 1076725, 5340-00-221-5478, 00-221-5478, 5340002215478, 002215478
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 23, 1969 | 00-221-5478 | 24328 ( SEAT, HELICAL COMPRESSION SPRING ) |
REFERENCE DRAWINGS & PICTURES
SEAT
Cross Reference | NSN 5340-00-221-5478
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1076725 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 5340-00-221-5478
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| MATERIAL HARDNESS RATING | RCB56.0 ROCKWELL C MAXIMUM AND 60.0 ROCKWELL C MAXIMUM |
| SURFACE TREATMENT | PHOSPHATE |
| STYLE DESIGNATOR | SEAT |
| OVERALL HEIGHT | 0.5150 INCHES NOMINAL |
| END DIAMETER | 0.8750 INCHES NOMINAL |
| 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 |
| 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 |