Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1881A399 found under Key Gland Lock by Triumph Structures Los Angeles Inc. The National Stock Number assigned to this part is 1620011765213, 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 1881A399.