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 4140-01-161-8955
NSN 5950-01-356-8586
NSN 6610-01-369-4212
NSN 5910-00-553-7367
NSN 5935-00-581-4492
NSN 5985-01-147-1830
NSN 5960-01-225-1610
NSN 5895-00-302-4110
NSN 5915-00-434-6795
NSN 4140-01-147-7850
NSN 4140-01-400-3610
NSN 6145-00-369-3849