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 6645-00-772-0532
NSN 6240-00-143-4782
NSN 5965-01-292-0035
NSN 6320-01-195-5583
NSN 5835-01-493-1826
NSN 5925-00-163-6547
NSN 5996-00-792-9758
NSN 6145-00-150-5049
NSN 7035-01-300-1599
NSN 5915-01-219-4594
NSN 5950-01-579-1038
NSN 5998-01-046-2801