The Desiccant Container,dehumidifier, cataloged under National Stock Number 4440-01-370-9458, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Aero-Mechanical Engineering, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4440-01-370-9458 |
| Primary Part Number | N00403 |
| Item Name | Desiccant Container,dehumidifier |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Aero-Mechanical Engineering, Inc |
| Status | ACTIVE |
| Desiccant Material | MOLECULAR SIEVES |
| Overall Diameter | 1.206 INCHES NOMINAL IN |
| Special Test Features | DESICCANT MATERIAL TO BE EQUIVALENT TO TYPE 13X (LINDE) MOLECULAR SIEVES, UNION CARBIDE P/N MS-1355 THRU MS-1361 (.12 DIAMETER BEAD) MODIFIED BY A HUMIDITY INDICATING PROCESS BY WHICH APPROX 15% OF DESICCANT SPHERES TURN COLOR (PINK) AT SATURATION |
| Desiccant Capacity | 1.500 CUBIC INCHES |
| Specification/standard Data | 96906-DOD-STD-100 GOVERNMENT STANDARD |
| Material | PLASTIC VINYL ACETATE CONTAINER |
| Desiccant | INCLUDED |
| 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 |
|---|---|
| N00403 PRIMARY | Aero-Mechanical Engineering, Inc (USA) |
| Reference | Meaning |
|---|---|
| 350011 | 5/9 Secondary reference Northrop Grumman Corp Electronic Systems Defensive System Div |
| 350011-301 | 7/2 Vendor item drawing reference Northrop Grumman Corp Electronic Systems Defensive System Div |
NSN 4440-01-370-9458 is a Desiccant Container,dehumidifier, manufactured by Aero-Mechanical Engineering, Inc, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-01-370-9458 has 1 manufacturer part number on file: N00403 (Aero-Mechanical Engineering, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5325-01-488-4942, 5315-01-648-7822. Verify interchangeability with system specifications before substitution.
Key specifications for N00403: Desiccant Material: MOLECULAR SIEVES; Overall Diameter: 1.206 INCHES NOMINAL IN; Special Test Features: DESICCANT MATERIAL TO BE EQUIVALENT TO TYPE 13X (LINDE) MOLECULAR SIEVES, UNION CARBIDE P/N MS-1355 THRU MS-1361 (.12 DIAMETER BEAD) MODIFIED BY A HUMIDITY INDICATING PROCESS BY WHICH APPROX 15% OF DESICCANT SPHERES TURN COLOR (PINK) AT SATURATION; Overall Length: 3.000 INCHES NOMINAL IN. 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.