Part Details | VALVE PISTON
4820-01-439-3971 A cylindrical item of various configurations which reciprocates in a valve body, assisting in the movement of the disk to open or close a valve. May include additional components such as ring(s), collar(s), spring(s) and the like. Excludes DISK, VALVE.
Alternate Parts: 2A10214, 2A1021-4, 4820-01-439-3971, 01-439-3971, 4820014393971, 014393971
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | DEC 06, 1996 | 01-439-3971 | 36944 ( PISTON, VALVE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-439-3971
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2A1021-4 | 99240 | CRISSAIR, INC.DIV ESCO TECHNOLOGIES |
Technical Data | NSN 4820-01-439-3971
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| SURFACE TREATMENT | PASSIVATE |
| VALVE DESIGN CONTROL ACTIVITY | 99240 |
| OVERALL LENGTH | 3.465 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.238 INCHES MINIMUM AND 1.239 INCHES MAXIMUM |
| INSIDE DIAMETER | 0.375 INCHES NOMINAL |
| FEATURES PROVIDED | THREADED |
| END ITEM IDENTIFICATION | USED ON F16 DOOR ACTUATOR |