The Valve,safety Relief, cataloged under National Stock Number 4820-01-281-3050, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-281-3050 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| 20353A01R4500 | 5/1 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| 203536AM189M | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 203536AM189MCP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| D49-60-WN | 5/9 Secondary reference Danco Valve Company |
| 2019101R4000 | 3/1 Design control — primary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| 20353A01R4500CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| D49-60-WN | 5/9 Secondary reference Dante Valve Company |
| D49-60-WNCP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 2035A01R4500 | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| 203536AM189M | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| 2019101R4000CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 2035A01R4500CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 4820-01-281-3050 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.
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.