Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12883-000 found under Heat Exchanger Fuel by Ametek Thermal Systems Inc. The National Stock Number assigned to this part is 2995013351399, and the Federal Supply Class is 2995 Miscellaneous Engine Accessories Aircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 12883-000.