The Valve,liquid Oxygen Drain, cataloged under National Stock Number 4820-01-475-2257, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Solar Turbines Incorporated Dba Solar Turbines Incorporated. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Valve,liquid Oxygen Drain |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Solar Turbines Incorporated Dba Solar Turbines Incorporated (CAGE 66195) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-475-2257 |
| Primary Part Number | 1020281 |
| Item Name | Valve,liquid Oxygen Drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Solar Turbines Incorporated Dba Solar Turbines Incorporated |
| Status | ACTIVE |
| 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 |
|---|---|
| 1020281 PRIMARY | Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA) |
| 1020281-100 | Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA) |
NSN 4820-01-475-2257 is a Valve,liquid Oxygen Drain, manufactured by Solar Turbines Incorporated Dba Solar Turbines Incorporated, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-475-2257 has 2 manufacturer part numbers on file: 1020281 (Solar Turbines Incorporated Dba Solar Turbines Incorporated), 1020281-100 (Solar Turbines Incorporated Dba Solar Turbines Incorporated).
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.