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 5990-01-016-4194
NSN 6645-00-445-8143
NSN 6110-01-023-8496
NSN 2925-01-332-7178
NSN 5965-01-045-0247
NSN 5965-00-139-4870
NSN 2925-00-679-8131
NSN 5996-01-646-5174
NSN 5915-00-170-4209
NSN 5950-01-229-6558
NSN 5945-00-520-3482
NSN 6240-01-223-8514