The Dehydrator Unit,nonreactivating, cataloged under National Stock Number 4440-00-837-8047, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4440-00-837-8047 |
| Primary Part Number | 4400B0867 |
| Item Name | Dehydrator Unit,nonreactivating |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Accessory Components and Quantity | 1 CONNECTING TUBING AND ACCESSORIES;1 DESICCANT CARTRIDGE HOLDER;1 MTG FRAME;1 TIMING DEVICE |
| 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 |
|---|---|
| 4400B0867 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| D-16520-501 | 5/9 Secondary reference Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
| 4400B0867 | 5/9 Secondary reference U.S. Government activity |
| 16520-501 | 3/9 Design control — primary reference Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
NSN 4440-00-837-8047 is a Dehydrator Unit,nonreactivating, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-00-837-8047 has 1 manufacturer part number on file: 4400B0867 (Northrop Grumman Systems Corporation).
Key specifications for 4400B0867: Accessory Components and Quantity: 1 CONNECTING TUBING AND ACCESSORIES;1 DESICCANT CARTRIDGE HOLDER;1 MTG FRAME;1 TIMING DEVICE. 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.