Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AA52047B12-BULK found under Tubing Nonmetallic by Federal Commercial Item Description. The National Stock Number assigned to this part is 4720008493205, 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 AA52047B12-BULK.