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 5996-00-724-4944
NSN 6135-01-434-4954
NSN 5925-01-231-5423
NSN 5930-01-228-7053
NSN 5950-01-634-0677
NSN 5905-00-829-5230
NSN 5996-01-238-2656
NSN 5930-01-422-1195
NSN 5996-01-476-0690
NSN 2925-01-222-7764
NSN 5990-01-039-2016
NSN 5975-00-883-5806