Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NFS-320C found under by Honeywell Life Safety Headquarters. The National Stock Number assigned to this part is 5975016260287, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NFS-320C.