Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 269A1221-3 found under Pitch Bearing by Mcdonnell Douglas Helicopter. The National Stock Number assigned to this part is 1620014155892, and the Federal Supply Class is 1620 Aircraft Landing Gear Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 269A1221-3.