NSN 4820-00-287-3952
Part Details | GATE VALVE
4820-00-287-3952 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: N0. 490 VALVE N.P.S. 114 IN., N0. 490 VALVE N.P.S. 1-1/4 IN., FIG490, 0417 114 IN, 0417 1-1/4 IN, 16401 14 IN, 1640-1 1/4 IN, 1640, 4820-00-287-3952, 00-287-3952, 4820002873952, 002873952
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-287-3952 | 05482 ( VALVE, GATE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-00-287-3952
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| N0. 490 VALVE N.P.S. 1-1/4 IN. | 14959 | CRANE CODIV VALVE DIV |
| FIG490 | 14959 | CRANE CODIV VALVE DIV |
| 0417 1-1/4 IN | 21368 | FAIRBANKS CO THE |
| 1640-1 1/4 IN | 37239 | LUNKENHEIMER CO |
| 1640 | 37239 | LUNKENHEIMER CO |
Technical Data | NSN 4820-00-287-3952
| Characteristic | Specifications |
|---|---|
| VALVE SIZE | 1.250 INCHES |
| PRESSURE CLASS | 150.0 POUNDS |
| MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 450.0 POUNDS PER SQUARE INCH STEAM |
| MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | 450.0 DEG FAHRENHEIT STEAM AND 450.0 DEG FAHRENHEIT WATER-OIL-GAS |
| VALVE OPERATION METHOD | MANUAL |
| INLET RELATIONSHIP WITH OUTLET | IDENTICAL |
| CONNECTION TYPE | THREADED INTERNAL PIPE |
| NOMINAL PIPE SIZE ACCOMMODATED | 1.250 INCHES |
| THREAD SERIES DESIGNATOR | NPT |
| NOMINAL THREAD SIZE | 1.250 INCHES |
| STEM TYPE | RISING |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | U-BOLT |
| FEATURES PROVIDED | BONNET PACKING |
| SPECIAL FEATURES | SOLID WEDGE; TAPERED SEAT |