The Ventilator,air Circulating, cataloged under National Stock Number 2540-01-453-6845, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Fuel Systems Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2540-01-453-6845 |
| Primary Part Number | 404-800 |
| Item Name | Ventilator,air Circulating |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Fuel Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 404-800 PRIMARY | Fuel Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 404-800 | 3/9 Design control — primary reference Eagle Engineering and Mfg Inc |
| 503-639 | D/9 Drawing number reference only Eagle Engineering and Mfg Inc |
NSN 2540-01-453-6845 is a Ventilator,air Circulating, manufactured by Fuel Systems Inc, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-453-6845 has 1 manufacturer part number on file: 404-800 (Fuel Systems Inc).
Key specifications for 404-800: Special Features: LOUVER; End Item Identification: 3930-01-417-2886. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.