The Valve,stop-Check, cataloged under National Stock Number 4820-01-301-7291, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Henry Technologies, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Henry Technologies, Inc. (CAGE 7NJR2) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-301-7291 |
| Primary Part Number | 7830 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Henry Technologies, 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 |
|---|---|
| 7830 PRIMARY | Henry Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7830 | 3/9 Design control — primary reference Henry Technologies, Inc. |
NSN 4820-01-301-7291 is a Valve,stop-Check, manufactured by Henry Technologies, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-301-7291 has 1 manufacturer part number on file: 7830 (Henry Technologies, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-313-4885. 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.