Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AIR PSU BLKP1U found under Panel Blank by Cisco Systems. The National Stock Number assigned to this part is 5975016695363, 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 AIR PSU BLKP1U.