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 6105-00-141-5598
NSN 5945-01-316-9508
NSN 5945-01-320-8251
NSN 5935-00-241-4078
NSN 5985-00-277-7371
NSN 5945-00-222-7503
NSN 6220-01-424-0687
NSN 5895-01-477-9857
NSN 6320-01-225-9963
NSN 6145-01-051-3343
NSN 6650-00-985-5332
NSN 6130-01-278-8596