The Valve,restrictor Check, cataloged under National Stock Number 4820-01-484-3706, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tactair Fluid Controls Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Tactair Fluid Controls Inc (CAGE 70236) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-484-3706 |
| Primary Part Number | 1164-1 |
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 1164-1 PRIMARY | Tactair Fluid Controls Inc (USA) |
NSN 4820-01-484-3706 is a Valve,restrictor Check, manufactured by Tactair Fluid Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-484-3706 has 1 manufacturer part number on file: 1164-1 (Tactair Fluid Controls Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-598-2505. Verify interchangeability with system specifications before substitution.
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.