Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 58203 found under Ecrou De Presse Eto by Le Bozec Filtration Et Systemes. The National Stock Number assigned to this part is 4730142349567, 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 58203.