The Regulator,compressed Gas, cataloged under National Stock Number 4820-01-705-5395, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Harris Welding and Machine Company. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-705-5395 |
| Primary Part Number | 425-125-320 |
| Item Name | Regulator,compressed Gas |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Harris Welding and Machine Company |
| Status | ACTIVE |
| Outlet Indicator Type | DIAL PRESSURE GAGE |
| Inlet Indicator Type | DIAL PRESSURE GAGE |
| Inlet Fitting Connection Type | THREADED INTERNAL PIPE |
| Stage Type | SINGLE |
| Outlet Fitting Connection Cga Number | 18 |
| Outlet Fitting Thread Direction | RIGHT-HAND |
| Outlet Fitting Nominal Thread Size | 0.5625 INCHES IN |
| Mounting Method | CYLINDER |
| Mounting Position | LEFT SIDE OR RIGHT SIDE |
| Inlet Fitting Nominal Thread Size | 0.830 INCHES IN |
| Inlet Fitting Connection Cga Number | 320 |
| Maximum Delivery Pressure | 100.0 POUNDS PER SQUARE INCH LBS |
| Delivery Pressure Type | ADJUSTABLE |
| Outlet Fitting Connection Type | THREADED EXTERNAL PIPE |
| Inlet Fitting Thread Direction | RIGHT-HAND |
| 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 |
|---|---|
| 425-125-320 PRIMARY | Harris Welding and Machine Company (USA) |
NSN 4820-01-705-5395 is a Regulator,compressed Gas, manufactured by Harris Welding and Machine Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-705-5395 has 1 manufacturer part number on file: 425-125-320 (Harris Welding and Machine Company).
Key specifications for 425-125-320: Outlet Indicator Type: DIAL PRESSURE GAGE; Inlet Indicator Type: DIAL PRESSURE GAGE; Inlet Fitting Connection Type: THREADED INTERNAL PIPE; Stage Type: SINGLE. 15 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.