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 5915-01-031-5946
NSN 5996-00-944-4959
NSN 6620-01-247-9170
NSN 5925-01-319-4500
NSN 5996-00-759-6248
NSN 5965-01-348-8761
NSN 6240-00-280-8502
NSN 5945-01-094-7360
NSN 6620-00-932-4306
NSN 6650-01-423-1348
NSN 5855-01-450-2333
NSN 5915-01-072-9241