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 5905-01-562-3224
NSN 6145-00-451-6651
NSN 5975-01-357-7842
NSN 5910-01-106-5047
NSN 6320-00-583-3105
NSN 6110-01-206-5162
NSN 5985-01-358-5095
NSN 6150-01-067-0670
NSN 6150-00-167-1018
NSN 5985-00-737-4538
NSN 6320-01-353-9753
NSN 5998-00-606-1310