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 5999-01-268-1461
NSN 5855-00-797-8217
NSN 5990-00-920-2894
NSN 6645-01-485-9241
NSN 5965-01-279-4806
NSN 5895-01-298-5892
NSN 6685-00-239-5330
NSN 5945-01-513-9067
NSN 6130-00-136-1659
NSN 6130-01-444-9586
NSN 5965-00-179-7886
NSN 6320-01-129-9656