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 6650-01-225-4346
NSN 5935-01-573-5345
NSN 5998-00-977-7240
NSN 2925-00-953-2920
NSN 5905-01-367-5949
NSN 6610-00-960-7863
NSN 6610-00-614-7943
NSN 5950-00-148-1397
NSN 5855-01-450-2333
NSN 5945-00-195-4679
NSN 5998-01-150-8158
NSN 6110-01-462-4716