Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 05015780F found under Spacer by Grundfos Cbs Inc. The National Stock Number assigned to this part is 5365012880974, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 05015780F.