The Valve,check, cataloged under National Stock Number 4820-00-035-9371, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Acf Industries Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Acf Industries Inc (CAGE 01957) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-035-9371 |
| Primary Part Number | 2078NM |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Acf Industries Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 5132238PC5T08 | Acf Industries Inc (USA) |
| 2078NM PRIMARY | Acf Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 2078NM | 5/9 Secondary reference U.S. Government activity |
| 037024 | C/1 Advisory reference — outside the item-of-supply concept R & M Energy Systems Tomball P |
NSN 4820-00-035-9371 is a Valve,check, manufactured by Acf Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-035-9371 has 2 manufacturer part numbers on file: 5132238PC5T08 (Acf Industries Inc), 2078NM (Acf Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 6640-01-468-7130. 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.