NSN 4820-01-133-3781
Part Details | FLUID PRESSURE REGULATING VALVE
4820-01-133-3781 A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes REGULATOR, PRESSURE, MEDICAL GAS ADMINISTRATION APPARATUS; REGULATOR, OXYGEN, BAROMETRIC CONTINUOUS FLOW; REGULATOR, OXYGEN DEMAND; REGULATOR, OXYGEN DILUTER DEMAND; and valve(1), fluid pressure regulating, aircraft.
Alternate Parts: 40399403, 40399-403, 403994 50 TO 100PSI, 40399-4 50 TO 100PSI, 4039904 50T 10, 40399-04 50T 10, 436AND30806262 50T100 PSI, 30806262REVD 50T100PSI, 30806262, 30806005, 4820-01-133-3781, 01-133-3781, 4820011333781, 011333781
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUN 13, 1982 | 01-133-3781 | 27565 ( VALVE, REGULATING, FLUID PRESSURE ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
SOCKET
SOCKET
SOCKET
SOCKET
Cross Reference | NSN 4820-01-133-3781
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 40399-403 | 55378 | TRAC REGULATORS INC |
| 40399-4 50 TO 100PSI | 55378 | TRAC REGULATORS INC |
| 40399-04 50T 10 | 55378 | TRAC REGULATORS INC |
| 436AND30806262 50T100 PSI | 03847 | WARREN CONTROLS, INC. |
| 30806262REVD 50T100PSI | 03847 | WARREN CONTROLS, INC. |
| 30806262 | 03847 | WARREN CONTROLS, INC. |
| 30806005 | 03847 | WARREN CONTROLS, INC. |
Technical Data | NSN 4820-01-133-3781
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | BRONZE, ASTM B61 |
| TEMP RATING | 100.0 DEG FAHRENHEIT MAXIMUM |
| OUTLET PRESSURE RANGE | +50.0 TO +100.0 POUNDS PER SQUARE INCH |
| FILTER | NOT INCLUDED |
| SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| END ITEM IDENTIFICATION | AUSTIN SHIP CLASS LPD-4 AMPHIBIOUS TRANSPORT DOCKS. KIDD CLASS DDG, SPRUANCE CLASS DD 9963), OLIVER PERRY CLASS FFG, SAFEGUARD CLASS ARS. |
| SEAT MATERIAL | BRONZE, ASTM B61 |
| STEM MATERIAL | NICKEL COPPER ALLOY |
| PACKING MATERIAL | RUBBER, BUNA-N |
| FLOW CONTROL DEVICE | DISK |
| FLOW CONTROL DEVICE MATERIAL | RUBBER |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | UNTHREADED INTERNAL PIPE |
| FIRST END STYLE DESIGNATOR | 1 SOCKET |
| FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 4.000 INCHES |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| BODY STYLE | STRAIGHT THRU |
| MEDIA FOR WHICH DESIGNED | WATER, SALT |
| REGULATION TYPE | AUTOMATIC DOUBLE STAGE |
| VALVE STEM DESIGN | DOUBLE SEAT |
| VALVE LOADING METHOD | SPRING |