The Valve,safety Relief, cataloged under National Stock Number 4820-01-665-0674, 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 Dba Marine Product Team Div Marine Product Team. Government technical data includes 9 specifications, 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 | 4820-01-665-0674 |
| Primary Part Number | 911JEDM01AJE0015 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Bonnet Type | INSIDE SPRING |
| Maximum Operating Temp | 800.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Maximum Operating Temp | 320.0 CELSIUS FIRST RESPONSE DEGC |
| Media for Which Designed | LIQUID SINGLE RESPONSE |
| Material | STEEL CORROSION RESISTING BODY |
| 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 |
|---|---|
| 911JEDM01AJE0015 | Keystone Intl Inc (USA) |
| 911JEDM01AJE0015 PRIMARY | Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team (USA) |
NSN 4820-01-665-0674 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-665-0674 has 2 manufacturer part numbers on file: 911JEDM01AJE0015 (Keystone Intl Inc), 911JEDM01AJE0015 (Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team).
Key specifications for 911JEDM01AJE0015: Flow Control Device: DISK; Connection Type: THREADED INTERNAL PIPE SECOND END; Connection Type: THREADED EXTERNAL PIPE FIRST END; Bonnet Type: INSIDE SPRING. 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.