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 5960-00-912-5391
NSN 5975-01-607-7047
NSN 6105-01-578-9044
NSN 6110-00-840-6560
NSN 5996-01-432-6124
NSN 5920-00-705-2916
NSN 5960-00-720-0615
NSN 5925-01-214-1362
NSN 5960-01-423-4240
NSN 6130-01-553-8440
NSN 5920-01-613-7912
NSN 2925-01-481-7170