The Stem,fluid Valve, cataloged under National Stock Number 4820-01-326-0087, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Schneider Electric Systems Usa Inc. Government technical data includes 4 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-326-0087 |
| Primary Part Number | 20192 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Schneider Electric Systems Usa Inc |
| Status | ACTIVE |
| Valve Type for Which Designed | REGULATOR |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Valve Size for Which Designed | 3.000 INCHES IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 20192 PRIMARY | Schneider Electric Systems Usa Inc (USA) |
NSN 4820-01-326-0087 is a Stem,fluid Valve, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-326-0087 has 1 manufacturer part number on file: 20192 (Schneider Electric Systems Usa Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5280-01-420-9057, 1005-01-688-0876. Verify interchangeability with system specifications before substitution.
Key specifications for 20192: Valve Type for Which Designed: REGULATOR; Stem Actuating End Type: THREADED EXTERNALLY; Overall Length: 9.250 INCHES NOMINAL IN; Valve Size for Which Designed: 3.000 INCHES IN. 4 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.