Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 85660400SK found under Repair Kit Hose by P T Coupling Company. The National Stock Number assigned to this part is 4730015436580, 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 85660400SK.