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 6145-00-033-2997
NSN 5925-01-587-4682
NSN 5915-01-549-3131
NSN 5999-01-078-6544
NSN 6130-01-437-6727
NSN 6130-00-232-3472
NSN 5835-01-284-5689
NSN 5965-01-009-5758
NSN 5905-00-124-7339
NSN 6610-00-822-0431
NSN 6240-00-421-5368
NSN 5910-01-160-7584