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 5998-01-333-4208
NSN 5905-01-097-7189
NSN 5975-00-702-6808
NSN 5915-01-069-2775
NSN 5945-00-882-1317
NSN 6650-01-127-9518
NSN 5975-00-473-7859
NSN 5998-01-422-8309
NSN 5935-01-418-3464
NSN 5999-00-691-0721
NSN 5835-00-807-5632
NSN 6320-01-381-7023