The Valve,stop-Check, cataloged under National Stock Number 4820-01-628-0191, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Imi Hydronic Engineering Ab. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Defense Maritime Solutions, Inc. (CAGE 0EYA6); Imi Hydronic Engineering Ab (CAGE AA23N) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-628-0191 |
| Primary Part Number | 51060-025 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Imi Hydronic Engineering Ab |
| 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 |
|---|---|
| BOM N19-40165 POS NR 430.15 | Defense Maritime Solutions, Inc. (USA) |
| 51060-025 PRIMARY | Imi Hydronic Engineering Ab (SWE) |
| DAAK100153 REV B POS NR 430.15 | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 51060-025 | 3/9 Design control — primary reference Imi Hydronic Engineering Ab |
NSN 4820-01-628-0191 is a Valve,stop-Check, manufactured by Imi Hydronic Engineering Ab, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-628-0191 has 3 manufacturer part numbers on file: BOM N19-40165 POS NR 430.15 (Defense Maritime Solutions, Inc.), 51060-025 (Imi Hydronic Engineering Ab), DAAK100153 REV B POS NR 430.15 (Defense Maritime Solutions, Inc.).
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.