The Dehydrator Unit,nonreactivating, cataloged under National Stock Number 4440-01-630-7759, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Westermeyer Industries Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-01-630-7759 |
| Primary Part Number | W7481-750 |
| Item Name | Dehydrator Unit,nonreactivating |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Westermeyer Industries Inc. |
| Status | ACTIVE |
| Body Overall Length | 16.80 INCHES NOMINAL IN |
| Body Overall Diameter | 6.00 INCHES NOMINAL IN |
| 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 |
|---|---|
| 077-17225-001 ITEM 33 | Johnson Controls Navy Systems, Llc (USA) |
| 026-41775-009 | Johnson Controls Navy Systems, Llc (USA) |
| W7481-750 PRIMARY | Westermeyer Industries Inc. (USA) |
NSN 4440-01-630-7759 is a Dehydrator Unit,nonreactivating, manufactured by Westermeyer Industries Inc., classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-01-630-7759 has 3 manufacturer part numbers on file: 077-17225-001 ITEM 33 (Johnson Controls Navy Systems, Llc), 026-41775-009 (Johnson Controls Navy Systems, Llc), W7481-750 (Westermeyer Industries Inc.).
Key specifications for W7481-750: Body Overall Length: 16.80 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: DEHYDRATOR ASSEMBLY 4 1/4 INCH IN; Body Overall Diameter: 6.00 INCHES NOMINAL 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.
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.