The Valve,safety Relief, cataloged under National Stock Number 4820-01-716-4640, 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 15 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 | 4820-01-716-4640 |
| Primary Part Number | 6010FEM01AKM0150 |
| 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 Style | PLAIN,OPTIONAL END(PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Minimum Operating Temp | -60.0 FAHRENHEIT DEGF |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Style Designator | STRAIGHT THRU |
| Valve Size | 1.00 INCHES IN |
| Nominal Outside Diameter | 1.25 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.00 INCHES SECOND END IN |
| Disk Loading Method | SPRING |
| Media for Which Designed | GAS, NATURAL SECOND RESPONSE |
| Media for Which Designed | AIR FIRST RESPONSE |
| Material | BRONZE AND COPPER ALLOY BODY |
| Opening Pressure Setting | 150.0 POUNDS PER SQUARE INCH GAGE LBS |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| KU 6010FEM01AKM0150 | Piping Specialties, Inc. Dba Piping Specialties Inc (USA) |
| 6010FEM01AKM0150 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-716-4640 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 4820-01-716-4640 has 2 manufacturer part numbers on file: KU 6010FEM01AKM0150 (Piping Specialties, Inc. Dba Piping Specialties Inc), 6010FEM01AKM0150 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for 6010FEM01AKM0150: Connection Style: PLAIN,OPTIONAL END(PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Minimum Operating Temp: -60.0 FAHRENHEIT DEGF; Connection Type: THREADED INTERNAL PIPE FIRST END. 15 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.