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 5910-00-518-4608
NSN 5855-01-464-3152
NSN 6320-01-578-6006
NSN 5835-00-518-4507
NSN 5835-01-436-6549
NSN 5975-01-444-8015
NSN 5985-00-944-4228
NSN 5915-01-340-4592
NSN 5895-01-206-4248
NSN 5996-01-333-9512
NSN 5965-00-782-8920
NSN 5965-01-543-9997