The Stem,fluid Valve, cataloged under National Stock Number 4820-01-475-6572, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dante Valve Company. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Stem,fluid Valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Dante Valve Company (CAGE 5P967) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-475-6572 |
| Primary Part Number | B3422M |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| 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 |
|---|---|
| B3422M PRIMARY | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| D2500FF ITEM 26 | C/1 Advisory reference — outside the item-of-supply concept Dante Valve Company |
| B3422M | 3/9 Design control — primary reference Danco Valve Company |
| D2500FF ITEM 26 | 5/9 Secondary reference Danco Valve Company |
NSN 4820-01-475-6572 is a Stem,fluid Valve, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-475-6572 has 1 manufacturer part number on file: B3422M (Dante Valve Company).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-490-2373. 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.