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 5998-01-379-5487
NSN 5975-01-162-6221
NSN 5925-01-054-2340
NSN 5975-01-216-4289
NSN 5920-00-886-7896
NSN 5910-01-444-4096
NSN 5925-00-232-3256
NSN 6645-01-229-9769
NSN 5996-00-294-7045
NSN 5990-00-369-5212
NSN 6645-01-005-8622
NSN 5998-00-552-1473