The Regulator,compressed Gas, cataloged under National Stock Number 4820-01-292-8753, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fisher Controls Co Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-292-8753 |
| Primary Part Number | R622 |
| Item Name | Regulator,compressed Gas |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fisher Controls Co Inc |
| Status | ACTIVE |
| Outlet Indicator Type | GAGELESS |
| Inlet Indicator Type | GAGELESS |
| Inlet Fitting Connection Type | THREADED INTERNAL PIPE |
| Stage Type | SINGLE |
| Outlet Fitting Thread Direction | RIGHT-HAND |
| Outlet Fitting Nominal Thread Size | 0.500 INCHES IN |
| Delivery Pressure Type | PRESET |
| Outlet Fitting Connection Type | THREADED INTERNAL PIPE |
| Preset Delivery Pressure | 2.7 KILOPASCALS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-292-8753 is a Regulator,compressed Gas, manufactured by Fisher Controls Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-292-8753 has 2 manufacturer part numbers on file: R622 (Fisher Controls Co Inc), R622-BCF (Fisher Controls Co Inc).
Key specifications for R622: Outlet Indicator Type: GAGELESS; Inlet Indicator Type: GAGELESS; Inlet Fitting Connection Type: THREADED INTERNAL PIPE; Stage Type: SINGLE. 9 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.