Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SMHC24609A found under Arrester Electrical Surge by Protek Devices Lp. The National Stock Number assigned to this part is 5920012046419, 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 SMHC24609A.