Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20A288 found under Housing And Seal As by Olympus Ndt Ne Inc. The National Stock Number assigned to this part is 2030006982438, 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 20A288.