The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-286-4553, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Hamilton Sundstrand Corporation Dba Collins Aerospace (CAGE 73030); Honeywell International Inc Div Environmental Systems & Services (CAGE 70308) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-286-4553 |
| Primary Part Number | SV779328-4 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| SV779328-4 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 2381-1161-HS4 | Honeywell International Inc Div Environmental Systems & Services (USA) |
| Reference | Meaning |
|---|---|
| 2381-1161-HS4 | C/1 Advisory reference — outside the item-of-supply concept Amphenol Corp Div Amphenol Aerospace Operations |
NSN 4820-01-286-4553 is a Valve,calibrated Flow, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-286-4553 has 2 manufacturer part numbers on file: SV779328-4 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 2381-1161-HS4 (Honeywell International Inc Div Environmental Systems & Services).
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.