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 5835-00-302-5296
NSN 6110-00-950-6065
NSN 5855-00-436-3852
NSN 7035-01-492-6799
NSN 5835-01-359-2575
NSN 5990-01-426-7350
NSN 6145-01-411-1210
NSN 5960-00-492-2502
NSN 6110-00-028-2064
NSN 5985-01-330-7786
NSN 6685-01-522-1170
NSN 5975-01-592-2120