Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20C4-20FJX found under Adapter Straight Tube To Hose by Gates Corp. The National Stock Number assigned to this part is 4730004824085, 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 20C4-20FJX.