Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RR15X50W15NBR found under Hose Assembly Nonmetallic by All American Hose Llc. The National Stock Number assigned to this part is 4210002390544, and the Federal Supply Class is 4210 Firefighting Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RR15X50W15NBR.