Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EN1662-M6X90-F-10.9 found under Bolt Machine by Comite Europeen De Normalisation. The National Stock Number assigned to this part is 5306123619477, and the Federal Supply Class is 5306 Bolts. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EN1662-M6X90-F-10.9.