NSN 4820-00-405-1691 655A, 00-405-1691, 004051691
Product 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.20248100015Valves, Powered48200018Valves, Nonpowered
Part Alternates: 655A, 4820-00-405-1691, 00-405-1691, 4820004051691, 004051691
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 07 APR 1971 | 00-405-1691 | 27565 ( VALVE, REGULATING, FLUID PRESSURE ) |
Drawings & Photos | NSN 4820-00-405-1691
Demand History | NSN 4820-00-405-1691
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 655A | 2018-11-320 | 6 | |
| 655A | 2016-04-105 | 45 |
Cross Reference | NSN 4820-00-405-1691
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 655A | 22508 | FISHER CONTROLS CO INC |
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Technical Data | NSN 4820-00-405-1691
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | IRON, CAST, ASTM A126-61T, CLASS B |
| 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 | G5 RAISED |
| FIRST END RAISED FACE HEIGHT | 0.062 INCHES NOMINAL |
| FIRST END RAISED FACE DIAMETER | 4.188 INCHES NOMINAL |
| FIRST END FLANGE SHAPE STYLE | 3 ROUND |
| 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 | A1 STRAIGHT THRU |
| FACE TO FACE DISTANCE | 10.500 INCHES NOMINAL |
| MEDIA FOR WHICH DESIGNED | STEAM AND WATER, OIL OR GAS |
| RENEWABLE SEAT RING TYPE | THREADED |
| REGULATION TYPE | AUTOMATIC SINGLE STAGE |
| VALVE STEM DESIGN | DOUBLE SEAT |
| VALVE LOADING METHOD | SPRING |
| REMOTE ACTUATION METHOD | DIAPHRAGM |
| MAXIMUM INLET PRESSURE RATING | 250.0 POUNDS PER SQUARE INCH |
| OUTLET PRESSURE SETTING | 135.0 POUNDS PER SQUARE INCH |
| OUTLET PRESSURE ACCURACY RATING | NOT RATED |
| FILTER | NOT INCLUDED |
Restrictions/Controls & Freight Information | NSN 4820-00-405-1691
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||