Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 518 16R20 41S6 found under Connector Plug Electrical by Amphenol Sv Microwave. The National Stock Number assigned to this part is 5935001392514, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 518 16R20 41S6.