NSN 1615-01-491-1845
Helicopt Mechanical TransmissionPricing & Availability Check
Submit this form for stock availability and pricing.Inventory
This product may be available in the following quantities and conditions.
- OH: 1
Please note that inventory for this NSN was updated 10/12/2025 and may have changed since then. Request a quote for up to date pricing and availability.
Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM
Definition Definition of approved item name (AIN): "TRANSMISSION,MECHANICAL,HELICOPT"
A device used on helicopters designed to increase, decrease, and/or reverse the rotation between the drive and driven shaft or shafts. It may or may not include the shifting control mechanism which changes ratios and/or direction of rotation. Excludes transmission,cross-drive and transmissions with controlled differentials.
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.
No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.
Represents items with no adp components