Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AP440T12 found under Coupling Tube by Sps Technologies Inc. The National Stock Number assigned to this part is 4730002801945, 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 AP440T12.