NSN 4820-00-405-1691
Part Details | FLUID PRESSURE REGULATING VALVE
4820-00-405-1691 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: 655A, 4820-00-405-1691, 00-405-1691, 4820004051691, 004051691
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | APR 07, 1971 | 00-405-1691 | 27565 ( VALVE, REGULATING, FLUID PRESSURE ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
RAISED
ROUND W/ BOLT HOLES
RAISED
ROUND W/ BOLT HOLES
RAISED
ROUND W/ BOLT HOLES
Cross Reference | NSN 4820-00-405-1691
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 655A | 22508 | FISHER CONTROLS CO INC |
Technical Data | NSN 4820-00-405-1691
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | IRON, CAST, ASTM A126-61T, CLASS B |
| MAXIMUM INLET PRESSURE RATING | 250.0 POUNDS PER SQUARE INCH |
| OUTLET PRESSURE SETTING | 135.0 POUNDS PER SQUARE INCH |
| FILTER | NOT INCLUDED |
| SEAT MATERIAL | STEEL, FED STD 66, AISI 316/SAE 30316 |
| STEM MATERIAL | STEEL, CORROSION RESISTING |
| PACKING MATERIAL | PLASTIC, TETRAFLUOROETHYLENE |
| FLOW CONTROL DEVICE | DISK, PLUG TYPE |
| FLOW CONTROL DEVICE MATERIAL | STEEL, CORROSION RESISTING |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | RAISED FACE FLANGE |
| FIRST END STYLE DESIGNATOR | RAISED |
| FIRST END RAISED FACE HEIGHT | 0.062 INCHES NOMINAL |
| FIRST END RAISED FACE DIAMETER | 4.188 INCHES NOMINAL |
| FIRST END FLANGE SHAPE STYLE | ROUND W/ BOLT HOLES |
| FIRST END BOLT HOLE QUANTITY | 4 |
| FIRST END FLANGE OUTSIDE DIAMETER | 6.500 INCHES NOMINAL |
| FIRST END FLANGE THICKNESS | 0.813 INCHES NOMINAL |
| FIRST END BOLT HOLE DIAMETER | 0.750 INCHES NOMINAL |
| FIRST END BOLT CIRCLE DIAMETER | 5.000 INCHES NOMINAL |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| BODY STYLE | STRAIGHT THRU |
| FACE TO FACE DISTANCE | 10.500 INCHES NOMINAL |
| MEDIA FOR WHICH DESIGNED | STEAM AND WATER, OIL OR GAS |
| RENEWABLE SEAT RING TYPE | E ANY ACCEPTABLE |
| REGULATION TYPE | AUTOMATIC SINGLE STAGE |
| VALVE STEM DESIGN | DOUBLE SEAT |
| VALVE LOADING METHOD | SPRING |
| REMOTE ACTUATION METHOD | DIAPHRAGM |