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 5855-00-237-4088
NSN 5925-01-620-5114
NSN 5935-01-046-6527
NSN 2925-01-642-8954
NSN 6650-01-488-6418
NSN 5905-01-347-4000
NSN 5895-01-618-3221
NSN 6105-00-553-8943
NSN 6110-01-409-2692
NSN 6145-01-248-3373
NSN 6645-01-394-0170
NSN 5925-01-311-9924