Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A A 55126 7B found under Fastener Tape Hook And Pile by Aplix Inc. The National Stock Number assigned to this part is 5325016721568, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A A 55126 7B.