The Cartridge,dehydrator, cataloged under National Stock Number 4440-01-559-2366, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is W.a. Hammond Drierite Co, Limited. Government technical data includes 4 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-01-559-2366 |
| Primary Part Number | 26930 |
| Item Name | Cartridge,dehydrator |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | W.a. Hammond Drierite Co, Limited |
| Status | ACTIVE |
| Body Overall Length | 8.000 INCHES NOMINAL IN |
| Desiccant Type | CALCIUM SULPHATE |
| Material | PLASTIC BODY |
| Body Overall Diameter | 0.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
NSN 4440-01-559-2366 is a Cartridge,dehydrator, manufactured by W.a. Hammond Drierite Co, Limited, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-01-559-2366 has 2 manufacturer part numbers on file: 881142 (Velcon Canada Inc), 26930 (W.a. Hammond Drierite Co, Limited).
1 possible match (shared part number, not a government interchangeability claim): 4440-01-672-2593. Verify interchangeability with system specifications before substitution.
Key specifications for 26930: Body Overall Length: 8.000 INCHES NOMINAL IN; Desiccant Type: CALCIUM SULPHATE; Special Features: RUBBER HOSE CONNECTION PROVIDES AN IMMEDIATE FLOW OF DRY GAS; DESICCANT 30 GRAMS INDICATING DRIERITE; WATER CAPACITY 3 GRAMS; MAXIMUM FLOW RATE 300 CUBIC CENTIMETERS PER MINUTE G; Material: PLASTIC BODY. 4 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.