The Valve,safety Relief, cataloged under National Stock Number 4820-01-377-6259, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-377-6259 |
| Primary Part Number | SW104B01E0037 CD |
| 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 Type | FLANGE ALL ENDS |
| Adjustable Pressure Range | +21.0 TO 25.0 POUNDS PER SQUARE INCH LBS |
| Maximum Operating Temp | 85.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | WATER, SALT SINGLE RESPONSE |
| Material | BRONZE BODY |
| Valve Discharge Flow Rate | 125.0 GALLONS 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 |
|---|---|
| SW104B01E0037 CD PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| SW104B01E0022 CD PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| SW104 | 5/1 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| SW104B01E0037 CDS-SW1005 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| SW104 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| SW104B01E0022 CDS-SW1006 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-377-6259 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 4820-01-377-6259 has 2 manufacturer part numbers on file: SW104B01E0037 CD (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), SW104B01E0022 CD (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-467-1803. Verify interchangeability with system specifications before substitution.
Key specifications for SW104B01E0037 CD: Connection Type: FLANGE ALL ENDS; Adjustable Pressure Range: +21.0 TO 25.0 POUNDS PER SQUARE INCH LBS; Maximum Operating Temp: 85.0 FAHRENHEIT SINGLE RESPONSE DEGF; Media for Which Designed: WATER, SALT SINGLE RESPONSE. 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.