Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L1303 found under by Belling And Co Ltd. The National Stock Number assigned to this part is 5920010779529, 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 L1303.