The Valve,safety Relief,oxygen Syste, cataloged under National Stock Number 4820-01-454-0767, 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 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-454-0767 |
| Primary Part Number | SW135 02E0125 |
| Item Name | Valve,safety Relief,oxygen Syste |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Adjustable Pressure Range | +112.0 TO 128.0 POUNDS PER SQUARE INCH LBS |
| Maximum Operating Temp | 100.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Opening Pressure Setting | 125.0 POUNDS PER SQUARE INCH LBS |
| Valve Discharge Flow Rate | 339.0 GALLONS PER MINUTE339.0 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 |
|---|---|
| SW135 02E0125 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| SW1003 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| SW135 02E0125 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| SW1003 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-454-0767 is a Valve,safety Relief,oxygen Syste, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-454-0767 has 2 manufacturer part numbers on file: SW135 02E0125 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), SW1003 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for SW135 02E0125: Adjustable Pressure Range: +112.0 TO 128.0 POUNDS PER SQUARE INCH LBS; Maximum Operating Temp: 100.0 FAHRENHEIT SINGLE RESPONSE DEGF; End Item Identification: SEAWOLF CLASS SSN; Opening Pressure Setting: 125.0 POUNDS PER SQUARE INCH LBS. 5 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.