Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number US1925-120812D found under Tee Tube To Boss by United Supply Co Inc. The National Stock Number assigned to this part is 4730011699661, 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 US1925-120812D.