Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UC3-CS-SMUF found under Hose Assembly Metallic by Universal Metal Hose Co. The National Stock Number assigned to this part is 4720012704946, 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 UC3-CS-SMUF.