Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LSF00664-001 found under Umbilical Hose Assembly by Westwind Technologies Inc. The National Stock Number assigned to this part is 4720015222513, 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 LSF00664-001.