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 5960-00-615-0695
NSN 6145-01-312-1870
NSN 5945-00-159-7628
NSN 5910-01-495-8002
NSN 6240-00-758-3367
NSN 5905-00-383-8160
NSN 5996-01-360-5635
NSN 5835-01-103-1384
NSN 6320-00-070-4544
NSN 5920-01-314-6341
NSN 6145-00-826-9574
NSN 5835-01-152-9483