Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M12 DIN587 found under Nut Plain Cap by Gea Bloksma B V. The National Stock Number assigned to this part is 5310015316539, 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 M12 DIN587.