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 6610-01-453-4269
NSN 5935-01-513-1858
NSN 6610-01-309-5361
NSN 5996-01-357-8316
NSN 6105-00-814-1331
NSN 5835-01-330-8597
NSN 5998-01-525-7452
NSN 5999-00-875-9844
NSN 6145-01-135-8243
NSN 6150-00-596-4974
NSN 6110-01-224-7910
NSN 5915-01-010-8941