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 6650-01-013-8804
NSN 6320-01-476-7702
NSN 5950-01-403-2852
NSN 6105-00-925-9237
NSN 5835-01-422-2399
NSN 5965-00-775-6496
NSN 6150-01-044-6243
NSN 6130-01-658-1673
NSN 5910-01-226-9482
NSN 6650-00-819-1165
NSN 4140-01-605-4976
NSN 5950-00-186-0682