Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TPB42-1 found under Plug Pipe by Ingersoll Rand Inc. The National Stock Number assigned to this part is 4730014509833, 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 TPB42-1.