The Stem,fluid Valve, cataloged under National Stock Number 4820-01-432-5950, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Schneider Electric Systems Usa Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Schneider Electric Systems Usa Inc (CAGE 73475) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-432-5950 |
| Primary Part Number | 30559-E1 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Schneider Electric Systems Usa Inc |
| 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 |
|---|---|
| I-1284-W PIECE 4.1 | Schneider Electric Systems Usa Inc (USA) |
| 16029-R56 PIECE 4.1 | Schneider Electric Systems Usa Inc (USA) |
| 30559-E1 PRIMARY | Schneider Electric Systems Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| I-1284-W | D/9 Drawing number reference only Schneider Electric Systems Usa Inc |
NSN 4820-01-432-5950 is a Stem,fluid Valve, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-432-5950 has 3 manufacturer part numbers on file: I-1284-W PIECE 4.1 (Schneider Electric Systems Usa Inc), 16029-R56 PIECE 4.1 (Schneider Electric Systems Usa Inc), 30559-E1 (Schneider Electric Systems Usa Inc).
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-432-5976, 4820-01-432-8420, 4820-01-432-8423. 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.