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 2925-00-321-2032
NSN 5895-01-484-4736
NSN 6130-00-039-8534
NSN 6105-00-142-5901
NSN 5950-00-596-2693
NSN 5835-01-391-4556
NSN 6135-01-432-6201
NSN 5999-01-412-6503
NSN 6220-00-487-4424
NSN 6135-01-512-8740
NSN 5950-01-252-9276
NSN 5996-01-198-4583