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 5835-00-529-6307
NSN 6240-01-042-3650
NSN 6130-00-413-4683
NSN 5999-01-523-2106
NSN 6610-00-235-4591
NSN 5998-00-999-0788
NSN 5925-00-983-5666
NSN 5950-01-394-0085
NSN 6105-00-186-0161
NSN 5895-01-316-1970
NSN 5895-01-241-2321
NSN 6240-00-238-8528