PINION (P/N 204-040-700-101) - As Removed

The 204-040-700-101 is a main input pinion for helicopter transmission drive systems, identified under NSN 1615-00-858-8394. This steel gear meshes with the mating main gearbox gear to transmit engine torque into the helicopter's power distribution system. Installed within the main transmission assembly during maintenance and overhaul operations, the pinion requires precise alignment and fitment per Bell Helicopter Textron maintenance manual specifications.

Verify part-number applicability in the aircraft's Illustrated Parts Catalog before installation to ensure compatibility with your specific helicopter model and transmission configuration.

What is the PINION (P/N 204-040-700-101)?

The 204-040-700-101 is a main input pinion for helicopter transmission drive systems, identified under NSN 1615-00-858-8394. This steel gear meshes with the mating main gearbox gear to transmit engine torque into the helicopter's power distribution system.

Does the 204-040-700-101 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The PINION conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.

What material is the 204-040-700-101 manufactured from?

Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the 204-040-700-101.

Can I order the 204-040-700-101 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The PINION is available in: As Removed. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.