Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L1689-02-202 REV 2 ITEM 1 found under Trap Moisture by Altair Filter Technology Inc. The National Stock Number assigned to this part is 4730015547265, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like L1689-02-202 REV 2 ITEM 1.