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 5965-01-398-0779
NSN 6145-01-434-9123
NSN 5935-01-421-5365
NSN 5975-00-618-8194
NSN 6240-00-464-1874
NSN 6130-00-525-9975
NSN 5835-01-150-6084
NSN 5965-01-317-6077
NSN 6320-01-185-3857
NSN 6320-01-390-5385
NSN 5905-01-456-4768
NSN 5999-01-216-0802