The Dehumidifier,space, cataloged under National Stock Number 4440-01-714-2821, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Hoffman Enclosures Inc Dba Hoffman Enclosures Inc. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Dehumidifier,space |
| FSC / FSG | 4440 — Driers, Dehydrators, and Anhydrators (FSG 44) |
| Manufacturers | Pentair Technical Products Dba Mclean Thermal Div Hoffman Enclosures Inc (CAGE 61154); Hoffman Enclosures Inc Dba Hoffman Enclosures Inc (CAGE 1WSN4); Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (CAGE 27192) |
| Parameter | Value |
|---|---|
| NSN | 4440-01-714-2821 |
| Primary Part Number | H2OMITTER |
| Item Name | Dehumidifier,space |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Hoffman Enclosures Inc Dba Hoffman Enclosures Inc |
| 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 |
|---|---|
| H2OMITTER | Pentair Technical Products Dba Mclean Thermal Div Hoffman Enclosures Inc (USA) |
| H2OMITTER PRIMARY | Hoffman Enclosures Inc Dba Hoffman Enclosures Inc (USA) |
| MC-035643 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| MC-056469 REV A FIND NO 1 | C/1 Advisory reference — outside the item-of-supply concept Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| SMC-037076 REV G SH 62/A2A2DH1 | C/1 Advisory reference — outside the item-of-supply concept Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
NSN 4440-01-714-2821 is a Dehumidifier,space, manufactured by Hoffman Enclosures Inc Dba Hoffman Enclosures Inc, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-01-714-2821 has 3 manufacturer part numbers on file: H2OMITTER (Pentair Technical Products Dba Mclean Thermal Div Hoffman Enclosures Inc), H2OMITTER (Hoffman Enclosures Inc Dba Hoffman Enclosures Inc), MC-035643 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).
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.