Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ST5M1328-001 found under Arrester Electrical Surge by Monogram Aerospace Fasteners Inc. The National Stock Number assigned to this part is 5920000057104, 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 ST5M1328-001.