Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PS47741M-4-4 found under Adapter Static Tube To Case Sect by Nav Usa Inc. The National Stock Number assigned to this part is 6610014116800, and the Federal Supply Class is 6610 Flight Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PS47741M-4-4.