The Cartridge,dehydrator, cataloged under National Stock Number 4440-01-598-3698, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Drytech Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-01-598-3698 |
| Primary Part Number | 1DT70700-H01 |
| Item Name | Cartridge,dehydrator |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Drytech Inc |
| Status | ACTIVE |
| FSC Application Data | F-16 AIRCRAFT |
| Body Overall Length | 5.250 INCHES NOMINAL IN |
| Capacity | 3456.000 CUBIC INCHES |
| Desiccant Type | SILICA GEL |
| Material | ALUMINUM ALLOY BODY |
| Dispersion Tube | NOT INCLUDED |
| Body Overall Diameter | 2.980 INCHES MINIMUM AND 3.020 INCHES MAXIMUM 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 |
|---|---|
| 1DT70700-H01 PRIMARY | Drytech Inc (USA) |
| Reference | Meaning |
|---|---|
| 4440PL1811905 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4440PL1654576 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 563R732H01 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 4440-01-598-3698 is a Cartridge,dehydrator, manufactured by Drytech Inc, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-01-598-3698 has 1 manufacturer part number on file: 1DT70700-H01 (Drytech Inc).
Key specifications for 1DT70700-H01: FSC Application Data: F-16 AIRCRAFT; Body Overall Length: 5.250 INCHES NOMINAL IN; Capacity: 3456.000 CUBIC INCHES; Desiccant Type: SILICA GEL. 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.