MIL-V-22687C, MILITARY SPECIFICATION: VALVE, BALL, NAVAL SHIPBOARD, FOR AIR, NITROGEN, HELIUM OR HYDRAULIC SERVICE (SIZE 2 1/2 INCHES IPS AND BELOW) (31-OCT-1989)

MIL-V-22687C, MILITARY SPECIFICATION: VALVE, BALL, NAVAL SHIPBOARD, FOR AIR, NITROGEN, HELIUM OR HYDRAULIC SERVICE (SIZE 2 1/2 INCHES IPS AND BELOW) (31-OCT-1989)., This specification covers corrosion-resisting steel, bronze, aluminum-bronze and naval brass ball valves in sizes 2-1/2 inches nominal pipe size (nps) and below.