Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 100 203 322 found under Fuse Cartridge by American Telephone And Telegraph Co. The National Stock Number assigned to this part is 5920005396347, 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 100 203 322.