Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 142X5 found under Nut Tube Coupling by Joy Technologies Inc. The National Stock Number assigned to this part is 4730000118539, 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 142X5.