The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-125-3797, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-125-3797 |
| Primary Part Number | 11641870 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Flow Control Device | NEEDLE |
| Renewable Seat Ring Type | THREADED |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | PISTON |
| Regulation Type | 1ST STAGE AUTOMATIC, 2ND STAGE MANUAL |
| Valve Loading Method | SPRING |
| Surface Treatment | ANODIZE OUTSIDE |
| First End Outside Diameter Tube Accommodated | 0.380 INCHES NOMINAL IN |
| Material | RUBBER PACKING |
| Material | ALUMINUM BODY |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| 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 |
|---|---|
| 11641870 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4820-00-125-3797 is a Valve,regulating,fluid Pressure, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-125-3797 has 1 manufacturer part number on file: 11641870 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11641870: Flow Control Device: NEEDLE; Renewable Seat Ring Type: THREADED; Second End Relationship with First End: IDENTICAL; Remote Actuation Method: PISTON. 12 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.