Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number IPD9H1384 found under Ring Set Piston by Industrial Parts Depot Inc. The National Stock Number assigned to this part is 2990007274666, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like IPD9H1384.