Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8111-1004-1 found under Detector Wind Direction And Spee by Sutron Corporation. The National Stock Number assigned to this part is 6660011315304, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 8111-1004-1.