Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AS8650-B found under Nut Self Locking Ex by Society Of British Aerospace Compani. The National Stock Number assigned to this part is 5310991300084, 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 AS8650-B.