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 6610-00-562-9144
NSN 5965-01-478-3590
NSN 5945-01-610-5894
NSN 5945-01-356-5198
NSN 5990-01-215-0590
NSN 6145-01-634-0388
NSN 5920-01-474-5404
NSN 6685-00-522-4379
NSN 5910-01-360-6654
NSN 6650-00-299-9681
NSN 5990-00-187-5249
NSN 2925-01-236-3547