The Valve,safety Relief, cataloged under National Stock Number 4820-01-727-4111, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Vickers Inc Omaha Plant. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-727-4111 |
| Primary Part Number | RV1 10 S09/25 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Vickers Inc Omaha Plant |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| RV1 10 S09/25 PRIMARY | Vickers Inc Omaha Plant (USA) |
| 1073345 | Tld Europe (FRA) |
NSN 4820-01-727-4111 is a Valve,safety Relief, manufactured by Vickers Inc Omaha Plant, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-727-4111 has 2 manufacturer part numbers on file: RV1 10 S09/25 (Vickers Inc Omaha Plant), 1073345 (Tld Europe).
Key specifications for RV1 10 S09/25: Part Name Assigned by Controlling Agency: SPRING; End Item Identification: RELIEF VALVE NG6 B TO T 7-62B; Material: STEEL OVERALL. 1 specification is 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.