Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8 21655 85 found under Hinge Butt by Drs C3 And Aviation Company. The National Stock Number assigned to this part is 5340016634663, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 8 21655 85.