Thank you for choosing Aerospace-Aviation360 for Part Number RFS5120 by Dassault Falcon for model Falcon 20 which is described as Stationary Disc Sub-Assembly* . This is an ASAP Semiconductor owned and operated website. We are a leading supplier of aircraft Corporate Brake parts like RFS5120. You have 24/7 x 365 access to our diverse product database with the fastest lead times in the industry.