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 5905-01-371-9587
NSN 5990-01-455-8035
NSN 5920-01-278-0600
NSN 5996-01-383-3271
NSN 6240-01-160-4370
NSN 5996-01-032-5926
NSN 6150-01-123-0363
NSN 6130-01-445-6165
NSN 2925-01-467-7672
NSN 6105-01-124-8054
NSN 6110-01-068-3552
NSN 5990-01-595-9441