NSN 4820-00-071-1257
Part Details | FLUID PRESSURE REGULATING VALVE
4820-00-071-1257 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: N923ALT1C1D882096064, 11479BD106A, MILV17848, MIL-V-17848, 4820-00-071-1257, 00-071-1257, 4820000711257, 000711257
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1961 | 00-071-1257 | 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 4820-00-071-1257
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| N923ALT1C1D882096064 | 26505 | GROVE VALVE OPERATIONS |
| 11479BD106A | 26505 | GROVE VALVE OPERATIONS |
| MIL-V-17848 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 4820-00-071-1257
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | STEEL |
| TEMP RATING | 165.0 DEG FAHRENHEIT MAXIMUM |
| MAXIMUM INLET PRESSURE RATING | 600.0 POUNDS PER SQUARE INCH |
| OUTLET PRESSURE RANGE | +25.0 TO +550.0 POUNDS PER SQUARE INCH |
| FILTER | NOT INCLUDED |
| FURNISHED ITEMS | FLOWMETER AND PRESSURE BREAKER |
| SEAT MATERIAL | COBALT ALLOY |
| FLOW CONTROL DEVICE | POPPET |
| FLOW CONTROL DEVICE MATERIAL | COBALT ALLOY |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | RAISED FACE FLANGE |
| FIRST END STYLE DESIGNATOR | RAISED |
| FIRST END RAISED FACE HEIGHT | 0.250 INCHES NOMINAL |
| FIRST END RAISED FACE DIAMETER | 0.250 INCHES NOMINAL |
| FIRST END FLANGE SHAPE STYLE | ROUND W/ BOLT HOLES |
| FIRST END BOLT HOLE QUANTITY | 8 |
| FIRST END FLANGE OUTSIDE DIAMETER | 6.500 INCHES NOMINAL |
| FIRST END FLANGE THICKNESS | 0.250 INCHES NOMINAL |
| FIRST END BOLT HOLE DIAMETER | 0.688 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 | 11.500 INCHES NOMINAL |
| MEDIA FOR WHICH DESIGNED | STEAM |
| REGULATION TYPE | MANUAL SINGLE STAGE |
| MANUAL CONTROL METHOD | KNOB |
| VALVE STEM DESIGN | SINGLE SEAT |
| VALVE LOADING METHOD | SPRING |
| REMOTE ACTUATION METHOD | DIAPHRAGM |