Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11004 found under Plug Pipe by H K Connecticut Holding Company. The National Stock Number assigned to this part is 4730000444689, 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 11004.