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 5950-01-347-4384
NSN 6610-00-292-9895
NSN 5920-01-495-2225
NSN 5895-01-468-5582
NSN 5925-00-845-0886
NSN 6240-01-135-3874
NSN 6650-00-707-1417
NSN 4140-01-500-1187
NSN 7035-01-218-4233
NSN 6150-01-538-4407
NSN 5925-01-398-1202
NSN 6135-01-071-4923