Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number QA52122S101 found under Fuse Cutout Assembly by S And C Electric Company. The National Stock Number assigned to this part is 5920002836386, 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 QA52122S101.