Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40-AA-75693 REV D found under Tank Pressure by Coltec Industries Inc. The National Stock Number assigned to this part is 5430013285644, and the Federal Supply Class is 5430 Storage Tanks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 40-AA-75693 REV D.