NSN 4820-00-639-9121
Part Details | STOP-CHECK VALVE
4820-00-639-9121 A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also VALVE (1), LIFT-CHECK and VALVE (1), STOP-LIFT-CHECK.
Alternate Parts: 71S103, 71-S-103, RS112 150350FLGD, RS11-2 150-350FLGD, 4820-00-639-9121, 00-639-9121, 4820006399121, 006399121
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-639-9121 | 05486 ( VALVE, STOP-CHECK ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
Cross Reference | NSN 4820-00-639-9121
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 71-S-103 | 71905 | DERBYSHIRE MACHINE & TOOL CO |
| RS11-2 150-350FLGD | 35795 | LESLIE CONTROLS, INC. |
Technical Data | NSN 4820-00-639-9121
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | A STRAIGHT THRU |
| VALVE SIZE | 1.500 INCHES |
| FACE TO FACE DISTANCE | 8.125 INCHES |
| FLOW CONTROL DEVICE | DISK |
| VALVE OPERATION METHOD | MANUAL |
| MOUNTING POSITION | HORIZONTAL |
| BONNET TYPE | EXPOSED SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| FEATURES PROVIDED | VALVE STEM LOCK SHIELD |