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 5998-01-172-0896
NSN 5930-01-016-7289
NSN 5835-01-010-8143
NSN 5985-01-426-4375
NSN 6145-00-486-3443
NSN 6320-01-449-1014
NSN 5905-00-931-9676
NSN 6130-01-367-3988
NSN 5950-00-032-6432
NSN 6110-01-024-2899
NSN 5950-01-386-3173
NSN 2925-01-327-3069