The Ventilator,air Circulating, cataloged under National Stock Number 2540-01-438-6487, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is General Dynamics Land Systems Canadacorp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-438-6487 |
| Primary Part Number | 10554255 |
| Item Name | Ventilator,air Circulating |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | General Dynamics Land Systems Canadacorp |
| Status | ACTIVE |
| Overall Diameter | 3.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
NSN 2540-01-438-6487 is a Ventilator,air Circulating, manufactured by General Dynamics Land Systems Canadacorp, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-438-6487 has 2 manufacturer part numbers on file: 360584 (Austin-Westran Llc), 10554255 (General Dynamics Land Systems Canadacorp).
Key specifications for 10554255: Overall Diameter: 3.250 INCHES NOMINAL IN; Special Features: CONSISTS OF THE FOLLOWING 1 BALL, 2 FRONT RETAINING RINGS, 3 TO 4 VELCRO PIECES, 4 INNER RINGS AND 5 THREAD HSE CONNECTORS WHICH ARE 2.500 INCHES IN DIAMETER; LOUVER FITS INTO 3.000 INCH DIAMETER HOLE IN; Part Name Assigned by Controlling Agency: BALL LOUVER, 3.0. 1 specification is 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.