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 6145-01-634-0388
NSN 6145-01-515-1455
NSN 6110-01-260-0032
NSN 5835-01-085-5487
NSN 6645-01-646-2953
NSN 5998-00-163-0454
NSN 5915-01-208-2350
NSN 6130-00-291-0589
NSN 6145-00-489-8902
NSN 6145-01-285-7788
NSN 5975-00-185-5243
NSN 6145-01-417-2988