Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 204 3IN found under Expansion Joint Pipe by Garlock Sealing Technologies. The National Stock Number assigned to this part is 4730011500467, 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 204 3IN.