Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 539300073 found under Clamp Hose by Priority Plant Services Ltd. The National Stock Number assigned to this part is 4730016254157, 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 539300073.