The Cartridge,dehydrator, cataloged under National Stock Number 4440-00-031-0483, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-00-031-0483 |
| Primary Part Number | HF13494-1 |
| Item Name | Cartridge,dehydrator |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| Status | ACTIVE |
| Line Type for Which Designed | SUCTION |
| Body Overall Length | 7.000 INCHES NOMINAL IN |
| Capacity | 31.000 CUBIC INCHES |
| Desiccant Type | SILICA GEL |
| Material | ALUMINUM ALLOY BODY |
| Material | COTTON FILTERING |
| Dispersion Tube | NOT INCLUDED |
| Body Overall Diameter | 3.500 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 |
|---|---|
| HF13494-1 PRIMARY | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 13494-1 | 5/9 Secondary reference Howden Fluid Systems |
| 13494-1 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
NSN 4440-00-031-0483 is a Cartridge,dehydrator, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-00-031-0483 has 1 manufacturer part number on file: HF13494-1 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5865-00-294-4414, 6680-01-394-0137. Verify interchangeability with system specifications before substitution.
Key specifications for HF13494-1: Line Type for Which Designed: SUCTION; Body Overall Length: 7.000 INCHES NOMINAL IN; Capacity: 31.000 CUBIC INCHES; Desiccant Type: SILICA GEL. 8 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.