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 5945-01-314-3098
NSN 5950-00-721-4281
NSN 4140-01-302-7486
NSN 5975-01-655-8672
NSN 5925-00-500-7026
NSN 5990-00-007-5170
NSN 5835-01-274-1035
NSN 5895-01-290-7874
NSN 5905-00-189-2518
NSN 6685-01-381-6866
NSN 6685-01-536-6874
NSN 5960-00-678-9851