Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L666301-4-0164 found under Hose Assembly Nonme by Eaton Corporation. The National Stock Number assigned to this part is 4720007888956, 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 L666301-4-0164.