Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RCM20E561K found under Capacitor Fixed Mic by Electro Motive Diesel Inc. The National Stock Number assigned to this part is 5910008823638, and the Federal Supply Class is 5910 Capacitors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RCM20E561K.