Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SAE AMS5743 12FTX5INX0.75IN found under Tube Metallic by Hi Tech Metals Inc. The National Stock Number assigned to this part is 4710014574038, and the Federal Supply Class is 4710 Pipe Tube And Rigid Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SAE AMS5743 12FTX5INX0.75IN.