Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number IT 4402 1 found under Hose Flexible by Industrial Tube Company Llc. The National Stock Number assigned to this part is 4720014872034, 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 IT 4402 1.