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 6130-01-444-0376
NSN 5985-01-378-8274
NSN 6610-01-460-2785
NSN 5965-01-565-0640
NSN 6240-01-544-9579
NSN 5985-01-124-7299
NSN 5925-01-060-3403
NSN 5835-01-328-6626
NSN 5999-01-312-6611
NSN 5950-01-126-0052
NSN 5965-01-424-4922
NSN 5998-01-631-8202