Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 6435-20150-100 with rapid responses always offered by our staff. To ensure that you locate and procure exactly what you need with ease, we list parts with as much information as we can. For example, part number 6435-20150-100 It is listed as Coupling Spline Gear Box. component manufactured by Sikorsky Aircraft Corporation, specifically under CAGE Code 78286. It is also accompanied by the NSN 1615009845604 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 1615 Helicopter Rotor Blades Drive Mechanisms and Components.