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 5996-00-655-2670
NSN 6145-00-596-8447
NSN 6610-01-065-6057
NSN 5965-00-493-6008
NSN 5998-01-382-9748
NSN 6135-01-142-6456
NSN 5945-01-517-5997
NSN 6105-00-846-2686
NSN 5990-00-652-6578
NSN 5998-00-880-5206
NSN 5915-01-548-4352
NSN 5855-00-925-0114