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 7035-00-153-3826
NSN 5985-01-032-1073
NSN 6105-00-647-3955
NSN 5960-00-178-0968
NSN 5960-01-496-2993
NSN 5975-00-682-7759
NSN 6220-00-133-3317
NSN 5925-01-350-7867
NSN 6145-01-499-7795
NSN 5985-01-556-9784
NSN 6610-01-391-5092
NSN 5920-00-063-0505