12-Black-Iron-Pipe-Elbow-45-Degree-NSN-2910-01-495-7559-Mil-spec-FIP-Gas-151503297952 Published March 15, 2024 at 1600 × 1231 in 1/2 NPTF Black Iron Pipe Elbow 45° 2910-01-495-7559 4730-00-246-9187