NSN 4820-01-397-7118
Part Details | OXYGEN SYSTEM PRESSURE REGULATING VALVE
4820-01-397-7118 A valve used to automatically maintain within close limits a predetermined pressure within an oxygen system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is bypassed to the accumulator or reservoir in lieu of passing through the entire system. It is specifically designed and/or cleaned for oxygen systems. Excludes VALVE, REGULATING, SYSTEM PRESSURE; VALVE REGULATING, FLUID PRESSURE AND VALVE, CALIBRATED FLOW.
Alternate Parts: 2838130002, 283813-0002, 1828AS1251, 1828AS125-1, 1828AS125, 4820-01-397-7118, 01-397-7118, 4820013977118, 013977118
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | OCT 18, 1994 | 01-397-7118 | 37940 ( VALVE, REGULATING, OXYGEN SYSTEM PRESSURE ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
GASKET SEAL
GASKET SEAL
GASKET SEAL
GASKET SEAL
Cross Reference | NSN 4820-01-397-7118
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 283813-0002 | 99657 | MAROTTA CONTROLS, INC. |
| 1828AS125-1 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT |
| 1828AS125 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT |
Technical Data | NSN 4820-01-397-7118
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | COPPER ALLOY |
| TEMP RATING | 125.0 DEG FAHRENHEIT NOMINAL |
| MAXIMUM INLET PRESSURE RATING | 600.0 POUNDS PER SQUARE INCH |
| OUTLET PRESSURE SETTING | 500.0 POUNDS PER SQUARE INCH |
| FILTER | NOT INCLUDED |
| FURNISHED ITEMS | INLET PRESSURE GAGE AND OUTLET PRESSURE GAGE |
| SPECIAL FEATURES | CLEAN FOR OXYGEN SERVICE PER MIL-I-52211, METHOD C, LEVEL B, CLASS A |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| SEAT MATERIAL | PLASTIC, KEL-F-81, MINNESOTA MINING AND MFG CO |
| STEM MATERIAL | STEEL, CORROSION RESISTING |
| PACKING MATERIAL | PLASTIC, KEL-F-81, MINNESOTA MINING AND MFG CO |
| FLOW CONTROL DEVICE | DISK |
| FLOW CONTROL DEVICE MATERIAL | STEEL, CORROSION RESISTING |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | THREADED INTERNAL BOSS |
| FIRST END STYLE DESIGNATOR | GASKET SEAL |
| FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 7 TO 16-20 UNF |
| FIRST END THREAD CLASS | 2B |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| BODY STYLE | STRAIGHT THRU |
| MEDIA FOR WHICH DESIGNED | OXYGEN, GASEOUS |
| REGULATION TYPE | 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC |
| MANUAL CONTROL METHOD | LEVER |