The Valve,safety Relief, cataloged under National Stock Number 4820-01-419-2584, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Industrial Flow North America Llc Div Lewa America. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-419-2584 |
| Primary Part Number | 056850-0003 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Industrial Flow North America Llc Div Lewa America |
| Status | ACTIVE |
| Disk Loading Method | SPRING |
| Opening Pressure Setting | 3.0 BAR |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 120063-0000 ITEM 41 | Industrial Flow North America Llc Div Lewa America (USA) |
| 056850-0003 PRIMARY | Industrial Flow North America Llc Div Lewa America (USA) |
| 054618-0002 | Industrial Flow North America Llc Div Lewa America (USA) |
NSN 4820-01-419-2584 is a Valve,safety Relief, manufactured by Industrial Flow North America Llc Div Lewa America, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-419-2584 has 3 manufacturer part numbers on file: 120063-0000 ITEM 41 (Industrial Flow North America Llc Div Lewa America), 056850-0003 (Industrial Flow North America Llc Div Lewa America), 054618-0002 (Industrial Flow North America Llc Div Lewa America).
Key specifications for 056850-0003: Disk Loading Method: SPRING; Special Features: FOR METERING PUMP; End Item Identification: 170 FT PATROL COASTAL FT; Opening Pressure Setting: 3.0 BAR. 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.