A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 6220-00-361-8338
NSN 6135-01-433-2062
NSN 5910-00-104-5953
NSN 6685-01-054-3166
NSN 2925-01-136-2551
NSN 5990-01-395-4194
NSN 2925-00-707-6770
NSN 5975-00-536-4047
NSN 6220-01-283-8761
NSN 5935-00-055-8209
NSN 5998-01-331-4066
NSN 6145-01-500-8667