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 5990-01-237-9044
NSN 6105-00-615-9979
NSN 5855-01-366-2429
NSN 5905-00-912-0582
NSN 5985-01-488-6790
NSN 5975-01-310-0725
NSN 6645-01-428-3576
NSN 6130-01-321-5855
NSN 5990-00-518-0684
NSN 5930-01-226-7071
NSN 5999-01-224-8589
NSN 6240-00-141-6143