The Stem,fluid Valve, cataloged under National Stock Number 4820-01-050-3259, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Akron Brass Company. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-050-3259 |
| Primary Part Number | 7-72-090 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Akron Brass Company |
| Status | ACTIVE |
| Largest Outside Diameter | 1.060 INCHES NOMINAL IN |
| Valve Size for Which Designed | 2.500 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 |
|---|---|
| 7-72-090 PRIMARY | Akron Brass Company (USA) |
| Reference | Meaning |
|---|---|
| 7-72-056 | 5/9 Secondary reference Akron Brass Company |
NSN 4820-01-050-3259 is a Stem,fluid Valve, manufactured by Akron Brass Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-050-3259 has 1 manufacturer part number on file: 7-72-090 (Akron Brass Company).
1 possible match (shared part number, not a government interchangeability claim): 1045-01-332-4606. Verify interchangeability with system specifications before substitution.
Key specifications for 7-72-090: Largest Outside Diameter: 1.060 INCHES NOMINAL IN; Valve Size for Which Designed: 2.500 INCHES IN; Material: COPPER ALLOY. 3 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.