Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S90-16H16H16-65 found under by Porter H K Co Inc Fabricated Metals. The National Stock Number assigned to this part is 4720004602256, 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 S90-16H16H16-65.