NSN 4140-01-281-3456
Ventilating FanPricing & Availability Check
Submit this form for stock availability and pricing.Inventory
This product may be available in the following quantities and conditions.
- NS: 1
Please note that inventory for this NSN was updated 04/15/2025 and may have changed since then. Request a quote for up to date pricing and availability.
Product Definition Definition of approved item name (AIN): "FAN,VENTILATING"
A nonpositive displacement mechanical device having either an axial or centrifugal fan impeller. It is designed to move free air or gas from indoors to outdoors or vice versa over a wide range of volumes at low pressures. It is supported by a ring, plate, or shroud or may be inclosed in a housing. It is designed for installation in a window, roof or wall opening, or the like.
4140-01-281-3456 Spec. NSN part characteristics
Identification Item Identification Guide (IIG) and Item Name Code (INC)
Special material and handling
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Item does not contain precious metal.
Represents items with no adp components
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Import and Export
Schedule B Codes Definitions:
Fans, Nesoi
Household Appliances
Fans, N.e.s.
National motor freight and handling
Freight Codes Definitions:
No special type of cargo code applicable.
Prefabricated structures & scaffolding.
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps).
Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Other or no special handling required (sh)