The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-375-2479, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lincoln Electric Co the Harris Calorific Div. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-375-2479 |
| Primary Part Number | 3302219 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lincoln Electric Co the Harris Calorific Div |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Regulation Type | MANUAL, DOUBLE STAGE |
| Manual Control Method | SCREW |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | ARGON |
| 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 |
|---|---|
| 3302219 PRIMARY | Lincoln Electric Co the Harris Calorific Div (USA) |
| Reference | Meaning |
|---|---|
| 92-250-580 | 5/9 Secondary reference Lincoln Electric Co the Harris Calorific Div |
| 3300527 | 5/9 Secondary reference Lincoln Electric Co the Harris Calorific Div |
NSN 4820-01-375-2479 is a Valve,regulating,fluid Pressure, manufactured by Lincoln Electric Co the Harris Calorific Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-375-2479 has 1 manufacturer part number on file: 3302219 (Lincoln Electric Co the Harris Calorific Div).
Key specifications for 3302219: Flow Control Device: DIAPHRAGM; Regulation Type: MANUAL, DOUBLE STAGE; Manual Control Method: SCREW; Material: COPPER ALLOY BODY. 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.