Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 560-1 found under Retainer Semiconductor Device by Central Gasket And Supply Co Inc. The National Stock Number assigned to this part is 5961007621399, and the Federal Supply Class is 5961 Semiconductor Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 560-1.