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 6645-00-106-0140
NSN 6145-00-009-9324
NSN 5835-01-624-5666
NSN 2925-01-394-9658
NSN 6240-00-727-6423
NSN 5920-01-047-2901
NSN 5985-00-054-9163
NSN 6110-00-173-5889
NSN 6240-00-822-4571
NSN 5996-00-240-0010
NSN 6105-01-479-3404
NSN 6645-00-229-1521