Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A5228588 found under Adapter Straight Tube To Boss by Interstate Diesel Service Inc. The National Stock Number assigned to this part is 4730009370229, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A5228588.