Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4M3K-4FJX4FJX684 found under Hose Assembly Nonmetallic by Gates Corp. The National Stock Number assigned to this part is 4720014218797, 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 4M3K-4FJX4FJX684.