NSN 4820-01-550-2981
Part Details | GATE VALVE
4820-01-550-2981 A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.
Alternate Parts: 803138571441AF MOD, 803-1385714-41AF MOD, 8031385714, 803-1385714, 4820-01-550-2981, 01-550-2981, 4820015502981, 015502981
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | APR 16, 2007 | 01-550-2981 | 05482 ( VALVE, GATE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-550-2981
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 803-1385714-41AF MOD | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 803-1385714 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-01-550-2981
| Characteristic | Specifications |
|---|---|
| VALVE SIZE | 0.750 INCHES |
| MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | +AC+400.0 POUNDS PER SQUARE INCH |
| MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | FAC+150.0 DEG FAHRENHEIT |
| VALVE OPERATION METHOD | MANUAL |
| INLET RELATIONSHIP WITH OUTLET | IDENTICAL |
| CONNECTION TYPE | THREADED EXTERNAL TUBE |
| THREAD SERIES DESIGNATOR | UN |
| NOMINAL THREAD SIZE | 1.125 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A |
| STEM TYPE | RISING |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | THREADED |
| SPECIAL FEATURES | DIFFERENTIATED BY SOLID SEFLON PACKING FOR THE STEM; LIKE 4820-01-215-1450 EXCEPT SEAL MATERIAL IS NITRILE |