Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C22 5253 1 found under Panel Blank by Andrea Electronics Corporation. The National Stock Number assigned to this part is 5975013646736, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C22 5253 1.