Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CISPISTD301-72TBL3AND4 found under Coupling Drainage Pipe by Tyler Pipe Industries Inc. The National Stock Number assigned to this part is 4730010204748, 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 CISPISTD301-72TBL3AND4.