The Dehydrator Unit,nonreactivating, cataloged under National Stock Number 4440-01-220-4139, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Altec Air, Llc Dba Altec Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-01-220-4139 |
| Primary Part Number | MODEL #VSA1-11M |
| Item Name | Dehydrator Unit,nonreactivating |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Altec Air, Llc Dba Altec Llc |
| Status | ACTIVE |
| Accessory Components and Quantity | 1 DROPOUT FILTER,1 OIL ABSORBING FILTER,2 SHUTOFF VALVES,1 PUREGAS HEATLESS DRYER,2 PRESSURE GAUGES,1 PRESSURE REGULATOR,1 THROTTLE VALVE,1 FLOWMETER,MOISTURE INDICATOR,TUBING AND TUBE FITTINGS |
| 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 |
|---|---|
| MODEL #VSA1-11M | Altec Air, Llc Dba Altec Llc (USA) |
| Reference | Meaning |
|---|---|
| PHF106M24 | 3/9 Design control — primary reference Altec Air, Llc Dba Altec Llc |
| PHF300A 106-124 | 5/9 Secondary reference Altec Air, Llc Dba Altec Llc |
| HF300-106-124 | 5/9 Secondary reference Altec Air, Llc Dba Altec Llc |
NSN 4440-01-220-4139 is a Dehydrator Unit,nonreactivating, manufactured by Altec Air, Llc Dba Altec Llc, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-01-220-4139 has 1 manufacturer part number on file: MODEL #VSA1-11M (Altec Air, Llc Dba Altec Llc).
Key specifications for MODEL #VSA1-11M: Accessory Components and Quantity: 1 DROPOUT FILTER,1 OIL ABSORBING FILTER,2 SHUTOFF VALVES,1 PUREGAS HEATLESS DRYER,2 PRESSURE GAUGES,1 PRESSURE REGULATOR,1 THROTTLE VALVE,1 FLOWMETER,MOISTURE INDICATOR,TUBING AND TUBE FITTINGS. 1 specification is 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.