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 6650-01-065-2796
NSN 6110-01-421-2091
NSN 5950-01-586-0641
NSN 5985-01-377-5264
NSN 5835-00-757-3558
NSN 6135-01-243-5797
NSN 5998-01-524-4007
NSN 5855-00-198-3197
NSN 6645-00-780-5260
NSN 6105-01-510-4633
NSN 5998-00-828-4059
NSN 5990-00-926-4324