The Valve Assembly, cataloged under National Stock Number 4820-00-400-2914, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Deval Life Cycle Support Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve Assembly |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Deval Life Cycle Support Llc (CAGE 11201) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-400-2914 |
| Primary Part Number | DV390-121 |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Deval Life Cycle Support Llc |
| 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 |
|---|---|
| DV390-121 | Deval Life Cycle Support Llc (USA) |
| Reference | Meaning |
|---|---|
| 8015-200PC12 | 5/9 Secondary reference Hydrodyne Industries Inc |
| 3003D7 | 3/9 Design control — primary reference Hydrodyne Industries Inc |
| HS008 | C/1 Advisory reference — outside the item-of-supply concept Hydrodyne Industries Inc |
NSN 4820-00-400-2914 is a Valve Assembly, manufactured by Deval Life Cycle Support Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-400-2914 has 1 manufacturer part number on file: DV390-121 (Deval Life Cycle Support Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-271-3673. Verify interchangeability with system specifications before substitution.
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.