The Cartridge,dehydrator, cataloged under National Stock Number 4440-01-677-3228, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Grove U.s. Llc Dba Grove Us Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cartridge,dehydrator |
| FSC / FSG | 4440 — Driers, Dehydrators, and Anhydrators (FSG 44) |
| Manufacturers | Grove U.s. Llc Dba Grove Us Llc (CAGE 12361); Proair, Llc (CAGE 6XSY2) |
| Parameter | Value |
|---|---|
| NSN | 4440-01-677-3228 |
| Primary Part Number | 90018839 |
| Item Name | Cartridge,dehydrator |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Grove U.s. Llc Dba Grove Us Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 90018839 PRIMARY | Grove U.s. Llc Dba Grove Us Llc (USA) |
| 05 000 776 | Proair, Llc (USA) |
| Reference | Meaning |
|---|---|
| 80072681 | D/9 Drawing number reference only Proair, Llc |
NSN 4440-01-677-3228 is a Cartridge,dehydrator, manufactured by Grove U.s. Llc Dba Grove Us Llc, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-01-677-3228 has 2 manufacturer part numbers on file: 90018839 (Grove U.s. Llc Dba Grove Us Llc), 05 000 776 (Proair, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4130-01-677-4258. Verify interchangeability with system specifications before substitution.
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.