4710-01-497-6088 (R319BX-20)
4710-01-497-6088 is equivalent to manufacture part number 2138D-1. It is a metallic bent tube and is classified under Federal Supply Class 4710 (4710 - Pipe, Tube and Rigid Tubing), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4710 - Pipe, Tube and Rigid Tubing and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.