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 5895-01-644-0492
NSN 5998-01-209-2114
NSN 5930-01-215-0802
NSN 5925-01-634-0664
NSN 5920-00-919-6050
NSN 6110-01-427-0161
NSN 6135-00-851-8575
NSN 5935-01-197-8448
NSN 5960-01-193-5224
NSN 5895-01-054-4368
NSN 2925-00-215-4954
NSN 5935-01-561-6803