The Dehydrator Unit,nonreactivating, cataloged under National Stock Number 4440-00-489-2552, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-00-489-2552 |
| Item Name | Dehydrator Unit,nonreactivating |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Status | ACTIVE |
| Accessory Components and Quantity | 1 TRANSPARENT HOUSING;1 DRYING AGENT;1 TUBE ENDS AND CAPS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 715528-1 | 7/2 Vendor item drawing reference Raytheon Company Div Rmd Strategic |
| 95000-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4440-00-489-2552 is a Dehydrator Unit,nonreactivating, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-198-8461, 6625-01-407-9581, 6530-01-408-1386. Verify interchangeability with system specifications before substitution.
Key specifications for 4440-00-489-2552: Accessory Components and Quantity: 1 TRANSPARENT HOUSING;1 DRYING AGENT;1 TUBE ENDS AND CAPS. 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.