Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number STD-347 found under Hose Nonmetallic by Oxford Aviation Services Ltd T A. The National Stock Number assigned to this part is 4720013820195, 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 STD-347.