Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 00NO5381 1 found under Washer Recessed by Mtu Friedrichshafen Gmbh. The National Stock Number assigned to this part is 5310121903451, 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 00NO5381 1.