The Valve,safety Relief, cataloged under National Stock Number 4820-01-718-3580, 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 3 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 | 4820-01-718-3580 |
| Primary Part Number | 961101MFA |
| 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 |
| Nominal Length | 11.875 INCHES ALL ENDS IN |
| Supplementary Features | MAXIMUM OUTLET PRESSURE 400 POUNDS PER SQUARE INCH LBS |
| Maximum Operating Temp | 750.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| 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 |
|---|---|
| 961101MFA PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-718-3580 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 4820-01-718-3580 has 1 manufacturer part number on file: 961101MFA (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for 961101MFA: Nominal Length: 11.875 INCHES ALL ENDS IN; Supplementary Features: MAXIMUM OUTLET PRESSURE 400 POUNDS PER SQUARE INCH LBS; Maximum Operating Temp: 750.0 FAHRENHEIT SINGLE RESPONSE DEGF; Special Features: SET PRESSURE MINIMUM 5 POUNDS PER SQUARE INCH, MAXIMUM 1500 POUNDS PER SQUARE INCH LBS. 3 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.