The Regulator,compressed Gas, cataloged under National Stock Number 4820-01-211-0968, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-211-0968 |
| Primary Part Number | 3000540 |
| Item Name | Regulator,compressed Gas |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lincoln Electric Co the Harris Calorific Div |
| Status | ACTIVE |
| Outlet Indicator Type | DIAL PRESSURE GAGE |
| Inlet Indicator Type | DIAL PRESSURE GAGE |
| Inlet Fitting Connection Type | COMPRESSED GAS ASSOCIATION |
| Stage Type | SINGLE |
| Outlet Fitting Thread Direction | RIGHT-HAND |
| Outlet Fitting Nominal Thread Size | 0.563 INCHES IN |
| Mounting Method | CYLINDER |
| Mounting Position | LEFT SIDE |
| Inlet Fitting Connection Cga Number | 580 |
| Maximum Delivery Pressure | 100.0 POUNDS PER SQUARE INCH LBS |
| Delivery Pressure Type | ADJUSTABLE |
| Outlet Fitting Connection Type | THREADED EXTERNAL PIPE |
| 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 |
|---|---|
| 3000540 PRIMARY | Lincoln Electric Co the Harris Calorific Div (USA) |
| Reference | Meaning |
|---|---|
| 25-100-580 | 5/9 Secondary reference Lincoln Electric Co the Harris Calorific Div |
NSN 4820-01-211-0968 is a Regulator,compressed Gas, manufactured by Lincoln Electric Co the Harris Calorific Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-211-0968 has 1 manufacturer part number on file: 3000540 (Lincoln Electric Co the Harris Calorific Div).
1 possible match (shared part number, not a government interchangeability claim): 5920-01-689-3040. Verify interchangeability with system specifications before substitution.
Key specifications for 3000540: Outlet Indicator Type: DIAL PRESSURE GAGE; Inlet Indicator Type: DIAL PRESSURE GAGE; Inlet Fitting Connection Type: COMPRESSED GAS ASSOCIATION; Stage Type: SINGLE. 12 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.