Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D20-1-1 ITEM 14 found under Shim Spacer by Allard Nazarian Group Inc. The National Stock Number assigned to this part is 5365011422522, 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 D20-1-1 ITEM 14.