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 5998-01-186-3433
NSN 5990-00-006-5760
NSN 5920-01-518-9108
NSN 5965-01-248-9705
NSN 6150-01-031-3818
NSN 2925-00-564-5967
NSN 5945-01-511-0435
NSN 6320-00-701-0437
NSN 6610-00-762-0848
NSN 5895-01-285-5834
NSN 6145-01-476-7554
NSN 5998-01-574-6439