The Ventilator,air Circulating, cataloged under National Stock Number 2040-01-450-4827, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Perko Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-450-4827 |
| Primary Part Number | 33406ACHR |
| Item Name | Ventilator,air Circulating |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Perko Inc |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 33406ACHR PRIMARY | Perko Inc (USA) |
| Reference | Meaning |
|---|---|
| 334-06A | C/1 Advisory reference — outside the item-of-supply concept Perko Inc |
NSN 2040-01-450-4827 is a Ventilator,air Circulating, manufactured by Perko Inc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-450-4827 has 1 manufacturer part number on file: 33406ACHR (Perko Inc).
Key specifications for 33406ACHR: Overall Length: 11.000 INCHES NOMINAL IN; Overall Width: 2.500 INCHES NOMINAL IN; Special Features: CHROME PLATED; LOUVER LG 3.000 IN. IN; End Item Identification: WEAPON SYSTEM E/I 170' PATROL COASTAL (PC-1) CLASS SHIPS. 1 specification is 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.