Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R50300CC-4-0452 found under Hose Assembly Nonme by Parker Hannifin Ltd. The National Stock Number assigned to this part is 4720012522616, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R50300CC-4-0452.