Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 170-03162 found under Guardhose Tubing by Hellermanntyton Corporation. The National Stock Number assigned to this part is 4720016789691, 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 170-03162.