Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LE623 83 found under Hose Nonmetallic by Ulstein Bergen A S. The National Stock Number assigned to this part is 4720013044498, 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 LE623 83.