Part Details | FLUID PRESSURE REGULATING VALVE
4820-00-171-9821 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: MILR19180, 07816023, 0781-6023, 4820-00-171-9821, 00-171-9821, 4820001719821, 001719821
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-171-9821 | 27565 ( VALVE, REGULATING, FLUID PRESSURE ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
SWIVEL NUT, FLARE
FLARELESS
SWIVEL NUT, FLARE
FLARELESS
SWIVEL NUT, FLARE
FLARELESS
SWIVEL NUT, FLARE
FLARELESS
Cross Reference | NSN 4820-00-171-9821
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MILR19180 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| 0781-6023 | 63026 | VICTOR EQUIPMENT CO |
Technical Data | NSN 4820-00-171-9821
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | BRASS |
| MAXIMUM INLET PRESSURE RATING | 1600.0 POUNDS PER SQUARE INCH |
| FILTER | NOT INCLUDED |
| FURNISHED ITEMS | AUTOMATIC RELIEF VALVE AND CYLINDER GAGE AND DELIVERY GAGE AND INDICATOR |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND H1 CLASS |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY THE DIAL RANGE |
| SEAT MATERIAL | BRASS |
| STEM MATERIAL | BRASS |
| FLOW CONTROL DEVICE | DIAPHRAGM |
| FLOW CONTROL DEVICE MATERIAL | RUBBER, CHLOROPRENE |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | THREADED INTERNAL GAS CYLINDER |
| FIRST END STYLE DESIGNATOR | 0 SWIVEL NUT, FLARE |
| FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.830-14 NGO |
| FIRST END THREAD PITCH DIAMETERS | +0.7750 TO +0.7786 INCHES |
| FIRST END THREAD DIRECTION | LEFT-HAND |
| SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| SECOND END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| SECOND END STYLE DESIGNATOR | FLARELESS |
| SECOND END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.562 INCHES NOMINAL |
| SECOND END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 9 TO 16-18 UNF |
| SECOND END THREAD CLASS | 3A |
| SECOND END THREAD DIRECTION | LEFT-HAND |
| BODY STYLE | STRAIGHT THRU |
| MEDIA FOR WHICH DESIGNED | HYDROGEN |
| REGULATION TYPE | MANUAL SINGLE STAGE |
| MANUAL CONTROL METHOD | LEVER |
| VALVE LOADING METHOD | WEIGHT |