Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 370512-105 found under Nut Tube Coupling by Alliedsignal Inc. The National Stock Number assigned to this part is 4730002033831, 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 370512-105.