Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E25S31304G06 found under Coupling Hose by Indra Sistemas Sa. The National Stock Number assigned to this part is 4730016420038, 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 E25S31304G06.