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 2925-01-371-6853
NSN 6240-01-106-6113
NSN 6150-00-472-1031
NSN 5985-01-472-6434
NSN 5950-01-160-8176
NSN 5920-00-453-4377
NSN 5835-00-926-0195
NSN 5965-00-959-4910
NSN 5855-00-010-5231
NSN 5960-00-284-7544
NSN 5945-01-270-9394
NSN 6240-00-603-6662