NSN 4820-00-977-3806
Part Details | FLUID PRESSURE REGULATING VALVE
4820-00-977-3806 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: NAP934CDS1DA34, NAP934CDS1DA3-4, N878, 4820-00-977-3806, 00-977-3806, 4820009773806, 009773806
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | OCT 12, 1966 | 00-977-3806 | 27565 ( VALVE, REGULATING, FLUID PRESSURE ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
PLAIN
ROUND W/ BOLT HOLES
PLAIN
ROUND W/ BOLT HOLES
PLAIN
ROUND W/ BOLT HOLES
PLAIN
Cross Reference | NSN 4820-00-977-3806
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAP934CDS1DA3-4 | 70667 | ATLAS VALVE CO |
| N878 | 26505 | GROVE VALVE OPERATIONS |
Technical Data | NSN 4820-00-977-3806
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | STEEL |
| TEMP RATING | 425.0 DEG FAHRENHEIT NOMINAL |
| MAXIMUM INLET PRESSURE RATING | 300.0 POUNDS PER SQUARE INCH |
| OUTLET PRESSURE RANGE | +15.0 TO +125.0 POUNDS PER SQUARE INCH |
| FILTER | NOT INCLUDED |
| FURNISHED ITEMS | NEEDLE VALVE |
| SEAT MATERIAL | COBALT ALLOY |
| STEM MATERIAL | |
| FLOW CONTROL DEVICE MATERIAL | COBALT ALLOY |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | PLAIN FACE FLANGE |
| FIRST END STYLE DESIGNATOR | PLAIN |
| FIRST END FLANGE SHAPE STYLE | ROUND W/ BOLT HOLES |
| FIRST END BOLT HOLE QUANTITY | 4 |
| FIRST END FLANGE OUTSIDE DIAMETER | 4.938 INCHES NOMINAL |
| FIRST END BOLT HOLE DIAMETER | 0.562 INCHES NOMINAL |
| FIRST END BOLT CIRCLE DIAMETER | 3.188 INCHES NOMINAL |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| BODY STYLE | STRAIGHT THRU |
| FACE TO FACE DISTANCE | 8.125 INCHES NOMINAL |
| MEDIA FOR WHICH DESIGNED | STEAM |
| RENEWABLE SEAT RING TYPE | C ANY ACCEPTABLE |
| REGULATION TYPE | AUTOMATIC SINGLE STAGE |
| VALVE STEM DESIGN | SINGLE SEAT |
| VALVE LOADING METHOD | DOME |
| REMOTE ACTUATION METHOD | DIAPHRAGM |