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 6150-01-082-1708
NSN 5996-01-240-5014
NSN 6650-00-981-9501
NSN 5935-00-257-1294
NSN 5905-01-327-1462
NSN 6620-01-187-7267
NSN 5855-01-358-5253
NSN 5895-01-302-4710
NSN 5895-01-580-1050
NSN 5990-00-033-0807
NSN 5855-00-962-5792
NSN 6320-01-232-4664