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 5998-01-502-3620
NSN 6645-00-816-5337
NSN 5999-00-605-5718
NSN 6620-00-785-6019
NSN 5945-01-416-0380
NSN 5960-01-050-0264
NSN 5965-01-595-6134
NSN 5905-00-998-5650
NSN 6130-01-258-5642
NSN 2925-01-285-7163
NSN 5920-01-007-8775
NSN 6110-00-190-1260