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 6320-01-287-8070
NSN 6105-01-235-1635
NSN 5930-01-204-7280
NSN 5925-01-550-9653
NSN 5975-00-387-6515
NSN 6105-01-253-9517
NSN 6150-00-138-9425
NSN 2925-01-597-9541
NSN 5965-01-472-3664
NSN 5835-00-092-1136
NSN 6240-00-497-2176
NSN 5925-01-587-9356