Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 369A1400 603 found under Dampener Flutter by Mcdonnell Douglas Helicopter. The National Stock Number assigned to this part is 1650001690369, and the Federal Supply Class is 1650 Aircraft Hydraulic Vacuum And De-Icing System Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 369A1400 603.