The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-089-0798, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-089-0798 |
| Primary Part Number | 3151683-1 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Offset Distance | 0.938 INCHES NOMINAL IN |
| Body Style | STRAIGHT THRU W/OFFSET |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | PLAIN |
| Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | COPPER ALLOY BODY |
| Outlet Pressure Accuracy Rating | ERR-060 |
| Media for Which Designed | SULPHUR HEXAFLUORIDE |
| Maximum Inlet Pressure Rating | ERR-060 |
| Furnished Items | INLET PRESSURE GAGE AND OUTLET PRESSURE GAGE |
| Thread Size and Series/type Designator | 0.250-18 NPT FIRST END |
| Outlet Pressure Setting | ERR-060 |
| Filter | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3151683-1 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| SP2365 | 5/9 Secondary reference U.S. Government activity |
| SP165-3.75 | 5/9 Secondary reference U.S. Government activity |
| 4820PL1259356 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| MREG-5181-BA | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-089-0798 is a Valve,regulating,fluid Pressure, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-089-0798 has 1 manufacturer part number on file: 3151683-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 3151683-1: Flow Control Device: DIAPHRAGM; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Offset Distance: 0.938 INCHES NOMINAL IN. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.