Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20D043PC17 found under Piston Assembly Thr by Olympus Ndt Ne Inc. The National Stock Number assigned to this part is 2030002112623, and the Federal Supply Class is 2030 Deck Machine. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 20D043PC17.