The Regulator,compressed Gas, cataloged under National Stock Number 4820-01-428-3841, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-428-3841 |
| Primary Part Number | EN42120-GL |
| Item Name | Regulator,compressed Gas |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies |
| Status | ACTIVE |
| Outlet Indicator Type | DIAL PRESSURE GAGE |
| Inlet Indicator Type | DIAL PRESSURE GAGE |
| Inlet Fitting Connection Type | THREADED INTERNAL PIPE |
| Stage Type | DOUBLE |
| Outlet Fitting Thread Direction | RIGHT-HAND |
| Outlet Fitting Nominal Thread Size | 0.500 INCHES IN |
| Mounting Method | INLINE |
| Inlet Fitting Nominal Thread Size | 0.500 INCHES IN |
| Maximum Delivery Pressure | 60.0 POUNDS PER SQUARE INCH LBS |
| Delivery Pressure Type | ADJUSTABLE |
| Outlet Fitting Connection Type | THREADED INTERNAL 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 |
|---|---|
| EN42120-GL PRIMARY | L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies (USA) |
NSN 4820-01-428-3841 is a Regulator,compressed Gas, manufactured by L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-428-3841 has 1 manufacturer part number on file: EN42120-GL (L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies).
Key specifications for EN42120-GL: Outlet Indicator Type: DIAL PRESSURE GAGE; Inlet Indicator Type: DIAL PRESSURE GAGE; Inlet Fitting Connection Type: THREADED INTERNAL PIPE; Stage Type: DOUBLE. 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.