The Regulator,compressed Gas, cataloged under National Stock Number 4820-01-283-5587, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Industrial Safety Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-283-5587 |
| Primary Part Number | 64003043 |
| Item Name | Regulator,compressed Gas |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Industrial Safety Llc |
| Status | ACTIVE |
| Outlet Indicator Type | DIAL FLOW GAGE |
| Inlet Indicator Type | DIAL PRESSURE GAGE |
| Inlet Fitting Connection Type | THREADED INTERNAL PIPE |
| Stage Type | SINGLE |
| Inlet Fitting Nominal Thread Size | 0.250 INCHES IN |
| Delivery Pressure Type | ADJUSTABLE |
| 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 |
|---|---|
| 64003043 | Industrial Safety Llc (USA) |
| Reference | Meaning |
|---|---|
| 317 SR5-B | 3/9 Design control — primary reference Mayhew Industries, Inc. |
| SR5-B | 5/9 Secondary reference Mayhew Industries, Inc. |
NSN 4820-01-283-5587 is a Regulator,compressed Gas, manufactured by Industrial Safety Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-283-5587 has 1 manufacturer part number on file: 64003043 (Industrial Safety Llc).
Key specifications for 64003043: Outlet Indicator Type: DIAL FLOW GAGE; Inlet Indicator Type: DIAL PRESSURE GAGE; Inlet Fitting Connection Type: THREADED INTERNAL PIPE; Stage Type: SINGLE. 7 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.