The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-301-1440, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mcnaughton Dynamics Limited. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Mcnaughton Dynamics Limited (CAGE U7709) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-301-1440 |
| Primary Part Number | 8222585-01 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Mcnaughton Dynamics Limited |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 8222585-01 | Mcnaughton Dynamics Limited (GBR) |
| Reference | Meaning |
|---|---|
| 8222585-01 | 5/9 Secondary reference Zwick Energy Researach Organization Inc |
| 8222585-01 | 3/9 Design control — primary reference Prime Source |
NSN 4820-01-301-1440 is a Valve,regulating,fluid Pressure, manufactured by Mcnaughton Dynamics Limited, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-301-1440 has 1 manufacturer part number on file: 8222585-01 (Mcnaughton Dynamics Limited).
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.