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 5950-01-532-5306
NSN 6645-01-548-2094
NSN 6130-00-082-2633
NSN 5855-01-657-7657
NSN 6145-01-552-3576
NSN 5925-01-579-6730
NSN 6130-01-339-8011
NSN 5935-01-310-1556
NSN 6650-01-258-5871
NSN 5985-01-075-4699
NSN 5998-01-026-0500
NSN 6610-00-105-7270