Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BT 120025 found under Hose Nonmetallic by Lamson Corp. The National Stock Number assigned to this part is 4720011233607, 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 BT 120025.