The Valve,safety Relief, cataloged under National Stock Number 4820-01-663-0989, 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 8 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 | 4820-01-663-0989 |
| Primary Part Number | 911JDEM03AKE116 |
| 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 | FLANGE ALL ENDS |
| Style Designator | ANGLE FLANGED ENDS |
| Material Document and Classification | SASTM A351 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 1400.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 1.00 INCHES IN |
| Material | STEEL CORROSION RESISTING BODY |
| Opening Pressure Setting | 116.00 POUNDS PER SQUARE INCH 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 |
|---|---|
| 911JDEM03AKE116 PRIMARY | Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team (USA) |
NSN 4820-01-663-0989 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 4820-01-663-0989 has 1 manufacturer part number on file: 911JDEM03AKE116 (Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team).
Key specifications for 911JDEM03AKE116: Flow Control Device: DISK; Connection Type: FLANGE ALL ENDS; Style Designator: ANGLE FLANGED ENDS; Material Document and Classification: SASTM A351 ASSN STD SINGLE MATERIAL RESPONSE BODY. 8 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.