The Valve,safety Relief, cataloged under National Stock Number 4820-01-377-1711, 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 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-377-1711 |
| Primary Part Number | SW109C01E0150 CD SW1009 |
| 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 |
| Renewable Seat Ring Type | THREADED |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Connection Type | BUTT WELD PIPE ALL ENDS |
| Style Designator | ANGLE |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY STEM |
| Opening Pressure Setting | 150.0 POUNDS PER SQUARE INCH LBS |
| Valve Discharge Flow Rate | 8.0 GALLONS PER MINUTE |
| 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 |
|---|---|
| SW109C01E0150 CD SW1009 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 211053675 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| SW109B01E0150 CD SW1009 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| SW109B01E0150 CD SW1009 | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
NSN 4820-01-377-1711 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 4820-01-377-1711 has 2 manufacturer part numbers on file: SW109C01E0150 CD SW1009 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 211053675 (Naval Sea Systems Command).
Key specifications for SW109C01E0150 CD SW1009: Renewable Seat Ring Type: THREADED; Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN; Connection Type: BUTT WELD PIPE ALL ENDS; Style Designator: ANGLE. 11 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.