A-A-50457, COMMERCIAL ITEM DESCRIPTION, VALVES, RADIATOR, HEATING, PACKLESS BONNET, 125 PSIG (15 JAN 1982)

A-A-50457, COMMERCIAL ITEM DESCRIPTION, VALVES, RADIATOR, HEATING, PACKLESS BONNET, 125 PSIG (15 JAN 1982)., This commercial item description covers the requirements for Valves, Raditor, Heating, Packless Bonnet. Metallic diaphragm seal for class 125 psig of the angle globe pattern for steam service with female threaded inlet and male threaded outlet connections with union nut and male threaded tailpiece and hand wheel operator.