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 6145-00-372-3713
NSN 6110-01-320-3330
NSN 5910-00-973-8551
NSN 5960-01-418-2641
NSN 5950-01-403-2852
NSN 6145-01-010-0612
NSN 6320-01-600-5808
NSN 5960-01-599-9821
NSN 5996-00-155-6904
NSN 5975-01-468-0032
NSN 6610-00-388-9188
NSN 5985-01-505-3852