Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NDI22012-01 found under Washer Flat by Iai North America Inc. The National Stock Number assigned to this part is 5310015060001, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NDI22012-01.