The Cartridge,dehydrator, cataloged under National Stock Number 4440-01-344-6887, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Pall Aeropower Corporation. Government technical data includes 7 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-01-344-6887 |
| Primary Part Number | A290343 |
| Item Name | Cartridge,dehydrator |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Line Type for Which Designed | LIQUID |
| Desiccant Type | MOLECULAR SIEVE AND SILICA GEL |
| Material | PLASTIC BODY |
| Material | PLASTIC FILTERING |
| Body Overall Height | 12.000 INCHES NOMINAL IN |
| Dispersion Tube | INCLUDED |
| Body Overall Diameter | 2.000 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 |
|---|---|
| A290343 PRIMARY | Pall Aeropower Corporation (USA) |
| 1DT8400 | Drytech Inc (USA) |
| Reference | Meaning |
|---|---|
| WC006798B | 5/9 Secondary reference Pall Aeropower Corporation |
| 6022508-1 | 5/9 Secondary reference Industrial Filters and Equipment Corp |
| 1DT7400 | 5/9 Secondary reference Drytech Inc |
| WC-00679-88 | 5/9 Secondary reference Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| 6022508-1 | 5/9 Secondary reference Naval Sea Systems Command |
| WC006798B | 5/9 Secondary reference Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| 6022508-1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 4440-01-344-6887 is a Cartridge,dehydrator, manufactured by Pall Aeropower Corporation, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-01-344-6887 has 2 manufacturer part numbers on file: A290343 (Pall Aeropower Corporation), 1DT8400 (Drytech Inc).
Key specifications for A290343: Line Type for Which Designed: LIQUID; Desiccant Type: MOLECULAR SIEVE AND SILICA GEL; Special Features: 150DEG PSIG INTERNAL PRESSURE AT 150DEG F; FILTRATION RATING 40 MICRONS ABSOLUTE; 0.29SCFM; MOLECULAR SIEVE 0.125DIA PELLETS OR BEADS; SILICA GEL PER MIL-D-3716,TYPE IV,GRADE H DEGF; Material: PLASTIC BODY. 7 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.