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 5975-01-040-0373
NSN 6110-01-576-8935
NSN 5960-01-024-7918
NSN 7035-00-088-7355
NSN 6110-00-479-0403
NSN 5855-01-559-4901
NSN 6610-00-488-3780
NSN 5990-01-440-7135
NSN 5945-01-499-1429
NSN 6650-01-275-5469
NSN 5960-01-239-4314
NSN 5945-00-518-5248