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 2925-01-612-0405
NSN 6145-00-244-4360
NSN 5895-00-366-0216
NSN 6650-01-094-4663
NSN 5996-01-235-1643
NSN 5945-00-853-0667
NSN 5950-01-200-6359
NSN 7035-01-462-0516
NSN 6145-01-399-1158
NSN 6620-00-137-0332
NSN 7035-01-161-9878
NSN 6645-01-394-5149