The Desiccant Container,dehumidifier, cataloged under National Stock Number 4440-01-249-8863, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4440-01-249-8863
Item Name
Desiccant Container,dehumidifier
FSC / FSG
4440 / 44 — Driers, Dehydrators, and Anhydrators
Status
ACTIVE
Desiccant Material
SILICON-GEL
Overall Diameter
5.000 INCHES NOMINAL IN
Material
ALUMINUM ALLOY CONTAINER
Desiccant
INCLUDED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
863C4020443-081
3/9Design control — primary reference
Lockheed Martin Corp
No interchangeability data on file.
Other items in FSC 4440 — Driers, Dehydrators, and Anhydrators
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4440-00-001-6294
4440-00-001-6294 · Item name not on file
4440-00-001-6296
4440-00-001-6296 · Item name not on file
4440-00-005-5084
DEHYDRATOR UNIT,NONREACTIVATING
4440-00-006-0073
CARTRIDGE,DEHYDRATOR
4440-00-007-2318
TIMER
4440-00-008-4864
SENSOR ASSEMBLY,HUM
4440-00-009-4422
4440-00-009-4422 · Item name not on file
4440-00-009-5282
4440-00-009-5282 · Item name not on file
Frequently Asked Questions
What is NSN 4440-01-249-8863?
NSN 4440-01-249-8863 is a Desiccant Container,dehumidifier, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
What are the specifications of 4440-01-249-8863?
Key specifications for 4440-01-249-8863: Desiccant Material: SILICON-GEL; Overall Diameter: 5.000 INCHES NOMINAL IN; Overall Length: 8.500 INCHES NOMINAL IN; Material: ALUMINUM ALLOY CONTAINER. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4440-01-249-8863 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.