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 5985-01-509-9734
NSN 6110-01-348-8843
NSN 7035-01-555-3750
NSN 6145-01-432-2440
NSN 5996-01-394-7577
NSN 5965-00-340-6790
NSN 5905-01-089-7897
NSN 6240-01-475-2642
NSN 5905-01-447-2806
NSN 6145-01-327-3328
NSN 4140-01-492-5999
NSN 5935-01-057-3790