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 5960-00-296-2787
NSN 5998-01-077-4512
NSN 6110-01-384-2319
NSN 5920-00-387-5312
NSN 6135-00-377-9165
NSN 6145-00-915-4179
NSN 5935-00-011-8349
NSN 6145-00-526-3056
NSN 5960-00-161-3728
NSN 5950-01-100-4903
NSN 5895-01-283-4507
NSN 5965-00-226-0209