Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D15-122FFPC315 found under Packing Nut by Westinghouse Electric Corp. The National Stock Number assigned to this part is 4730002749209, 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 D15-122FFPC315.