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 5910-00-135-6058
NSN 5975-01-304-3887
NSN 6645-01-268-4045
NSN 5855-01-623-8582
NSN 5895-00-291-4873
NSN 6145-01-610-6399
NSN 6110-01-294-8641
NSN 5965-00-940-8699
NSN 5935-01-443-2026
NSN 6105-01-462-3628
NSN 6610-01-333-2381
NSN 6320-01-512-2031