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 5895-00-623-9859
NSN 6650-01-649-8144
NSN 5998-00-301-3845
NSN 5990-01-542-4212
NSN 6650-00-834-9062
NSN 6645-00-383-7783
NSN 5945-01-181-5956
NSN 6240-00-136-2602
NSN 6610-01-342-2319
NSN 2925-01-453-1606
NSN 5855-01-354-7291
NSN 5895-01-231-9292