Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FL12K30 found under Fuse Link Electrical by Cooper Bussmann Corp. The National Stock Number assigned to this part is 5920000683009, and the Federal Supply Class is 5920 Fuses Arresters Absorbers And Protector. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FL12K30.