The Dehydrator Unit, cataloged under National Stock Number 4440-00-966-6451, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 2 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 | 4440-00-966-6451 |
| Primary Part Number | RD9640F |
| Item Name | Dehydrator Unit |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
| Status | ACTIVE |
| FSC Application Data | DEHYDRATOR B52 ACFT PRESSURIZING SET AN/APN69 |
| General Characteristics Item Description | MATERIAL ALUMINUM;7.000 IN. H;4.500 IN. LG;2.500 IN. O/A W;2 PORTS;2 GLASS CYLINDERS FILLED IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RD9640F PRIMARY | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
NSN 4440-00-966-6451 is a Dehydrator Unit, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-00-966-6451 has 1 manufacturer part number on file: RD9640F (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
Key specifications for RD9640F: FSC Application Data: DEHYDRATOR B52 ACFT PRESSURIZING SET AN/APN69; General Characteristics Item Description: MATERIAL ALUMINUM;7.000 IN. H;4.500 IN. LG;2.500 IN. O/A W;2 PORTS;2 GLASS CYLINDERS FILLED IN. 2 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.
NSN 4440-00-966-6451 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.