The Valve,safety Relief, cataloged under National Stock Number 4820-01-734-3461, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-734-3461 |
| Primary Part Number | 0020-E01-MG0017 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Connection Type | FLANGE OR THREADED EXTERNAL PIPE FIRST END |
| Connection Type | FLANGE OR THREADED INTERNAL PIPE SECOND END |
| Operating Pressure | 1.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MINIMUM AND 300.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM OVERALL LBS |
| Maximum Operating Temp | 406.0 FAHRENHEIT OVERALL DEGF |
| Disk Loading Method | SPRING |
| Material | BRONZE BODY |
| Material | BRONZE BONNET |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR O-RING |
| Opening Pressure Setting | 17.0 POUNDS PER SQUARE INCH GAGE LBS |
| 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 |
|---|---|
| 0020-E01-MG0017 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-734-3461 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-734-3461 has 1 manufacturer part number on file: 0020-E01-MG0017 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for 0020-E01-MG0017: Connection Type: FLANGE OR THREADED EXTERNAL PIPE FIRST END; Connection Type: FLANGE OR THREADED INTERNAL PIPE SECOND END; Operating Pressure: 1.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MINIMUM AND 300.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM OVERALL LBS; Maximum Operating Temp: 406.0 FAHRENHEIT OVERALL DEGF. 9 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.