Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W-249792 ITEM 3218 found under Strainer Sediment by Curtiss Wright Corp. The National Stock Number assigned to this part is 4730011956841, 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 W-249792 ITEM 3218.