Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SMS 51207 NF found under Switchantenna Unit by Chugach Technical Solutions Llc Div Virginia Branch Office. The National Stock Number assigned to this part is 5985016946143, and the Federal Supply Class is 5985 Antennas Waveguides And Related Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SMS 51207 NF.