Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AV228-763ITEM40 found under Tubing Nonmetallic by Automatic Switch Company. The National Stock Number assigned to this part is 4720014700757, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AV228-763ITEM40.