Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MIL189 912 found under Elbow Pipe by Airgas Usa Llc. The National Stock Number assigned to this part is 4730016675106, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MIL189 912.