Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 22511001 found under Fuseholder Block by United Refrigeration Inc. The National Stock Number assigned to this part is 5920016470105, 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 22511001.