The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-386-7587, 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 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-386-7587 |
| Primary Part Number | SW122B01S0000 CDS-SW1039 |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Temp Rating | 100.0 FAHRENHEIT DEGF |
| Material | NICKEL ALLOY STEM |
| Material | NICKEL ALLOY SEAT |
| Material | NICKEL ALLOY BODY |
| Media for Which Designed | AIR |
| Valve Discharge Flow Rate | 2045.0 CUBIC FEET PER MINUTE |
| 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 |
|---|---|
| SW122B01S0000 CDS-SW1039 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 211065059 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| SW122B01S0000 CDS-SW1039 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-386-7587 is a Valve,relief,pressure and Temper, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-386-7587 has 2 manufacturer part numbers on file: SW122B01S0000 CDS-SW1039 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 211065059 (Naval Sea Systems Command).
Key specifications for SW122B01S0000 CDS-SW1039: Temp Rating: 100.0 FAHRENHEIT DEGF; End Item Identification: VALVE RELIEF 2.00IPS; Material: NICKEL ALLOY STEM; Material: NICKEL ALLOY SEAT. 6 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.