Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CB21-925 found under Cover Plate Assembl by G T A A Llc. The National Stock Number assigned to this part is 6610000195415, and the Federal Supply Class is 6610 Flight Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CB21-925.