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 5945-01-458-8391
NSN 6110-01-307-8899
NSN 5905-01-509-1556
NSN 6645-00-079-1430
NSN 6220-00-899-4273
NSN 5990-01-616-9342
NSN 6685-00-100-4753
NSN 6150-01-322-8524
NSN 5960-00-256-3622
NSN 5965-01-656-9004
NSN 6110-01-231-6720
NSN 5999-01-284-0431