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 5925-01-163-3038
NSN 6320-00-370-7944
NSN 5999-01-106-5019
NSN 5920-01-286-0483
NSN 6220-01-169-6478
NSN 6610-01-383-7419
NSN 5950-01-478-0215
NSN 5985-01-354-7569
NSN 5935-01-196-5156
NSN 5996-01-198-4583
NSN 6645-01-586-5278
NSN 5998-01-151-4958