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 5910-01-004-9285
NSN 5835-01-545-2629
NSN 5985-01-474-0901
NSN 7035-00-445-9657
NSN 5905-01-326-3326
NSN 5915-01-195-9871
NSN 6620-01-068-4498
NSN 6130-00-227-2124
NSN 5985-01-581-7463
NSN 5835-01-264-8782
NSN 6645-00-813-3084
NSN 2925-01-590-8691