The Cartridge,dehydrator, cataloged under National Stock Number 4440-00-910-1688, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-00-910-1688 |
| Item Name | Cartridge,dehydrator |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Status | ACTIVE |
| Body Overall Length | 11.250 INCHES NOMINAL IN |
| Capacity | 31.635 CUBIC INCHES |
| Desiccant Type | SILICA GEL |
| Material | STEEL BODY |
| Dispersion Tube | NOT INCLUDED |
| Body Overall Diameter | 2.812 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 |
| Reference | Meaning |
|---|---|
| 6121APC4 | 5/9 Secondary reference Air Dry Co of America, Llc |
| 6121APC4 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| G4051F | 5/9 Secondary reference Air Dry Co of America, Llc |
| 6122AG4051F | 3/9 Design control — primary reference Air Dry Co of America, Llc |
NSN 4440-00-910-1688 is a Cartridge,dehydrator, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
Key specifications for 4440-00-910-1688: Body Overall Length: 11.250 INCHES NOMINAL IN; Capacity: 31.635 CUBIC INCHES; Desiccant Type: SILICA GEL; Material: STEEL BODY. 6 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.