Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CWC2-1 4ID25FT LG found under Hose Air Duct by F And R Sales Inc. The National Stock Number assigned to this part is 4720007027113, 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 CWC2-1 4ID25FT LG.