Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1066 30 09 50 3 found under Switch Push by Ahearn And Soper Co Inc. The National Stock Number assigned to this part is 5930012054763, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1066 30 09 50 3.