The Dehydrator Unit,nonreactivating, cataloged under National Stock Number 4440-00-897-5748, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Drytech Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4440-00-897-5748 |
| Primary Part Number | 500R840G01 |
| Item Name | Dehydrator Unit,nonreactivating |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Drytech Inc |
| Status | ACTIVE |
| Unit Package Type | BOX |
| Unit Package Quantity | 1 |
| Accessory Components and Quantity | 1 CONNECTING TUBING AND ACCESSORIES+1 DESICCANT CARTRIDGE HOLDER+1 FILTER SCREEN;1 INSPECTION WINDOW |
| 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 |
|---|---|
| 500R840G01 | Drytech Inc (USA) |
| 500R840G01 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| MX3121A | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| FW0614 | 5/9 Secondary reference Cincinnati Fab Well Inc |
| 500R840G01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4440-00-897-5748 is a Dehydrator Unit,nonreactivating, manufactured by Drytech Inc, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-00-897-5748 has 2 manufacturer part numbers on file: 500R840G01 (Drytech Inc), 500R840G01 (Westinghouse Electric Corp).
Key specifications for 500R840G01: Unit Package Type: BOX; Unit Package Quantity: 1; Accessory Components and Quantity: 1 CONNECTING TUBING AND ACCESSORIES+1 DESICCANT CARTRIDGE HOLDER+1 FILTER SCREEN;1 INSPECTION WINDOW. 3 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.
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.