Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PL9B001-01-CR4 FIND N0. 13 found under Connector Air Hose by Engineered Coil Company. The National Stock Number assigned to this part is 4730014399896, 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 PL9B001-01-CR4 FIND N0. 13.