Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D 0001 886 0550 found under Spacer Plate by John Crane Inc. The National Stock Number assigned to this part is 5365016172002, 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 D 0001 886 0550.