Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FM123-2 found under Film Adhesive by Heatcon Composite Systems Inc. The National Stock Number assigned to this part is 4130014716403, and the Federal Supply Class is 4130 Refrigeration And Air Conditioning Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FM123-2.