Stamped Ident. No. P2540 â// 121961 P2540A â// 121960 Material: Sintered metal. 1/2" American Standard Straight Pipe Thread Design Load 320 Lbs (1.42 kN) Part No. Finish Size Weight Box Qty. P2540 EG 1-5/64" 10.00 100 P2540A EG 5/8" 8.00 100 Fittings