Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1015B666-6 found under Switch Sensitive by Hathaway Inc. The National Stock Number assigned to this part is 5930004130539, 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 1015B666-6.