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 6610-01-051-2871
NSN 5999-01-045-8995
NSN 5999-01-476-9940
NSN 5910-00-999-2861
NSN 6150-01-349-4493
NSN 5855-00-149-0766
NSN 6320-01-484-7734
NSN 5960-01-583-4737
NSN 6145-01-559-5810
NSN 6320-01-141-3791
NSN 5910-01-237-3282
NSN 5985-01-652-9013