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 5945-00-005-0325
NSN 5960-00-005-7132
NSN 5930-00-023-1938
NSN 5998-00-107-6012
NSN 5945-00-420-1273
NSN 5915-01-418-0265
NSN 2925-01-454-2046
NSN 6240-01-120-7594
NSN 5975-00-012-4376
NSN 5965-01-511-3633
NSN 6110-00-908-4562
NSN 5920-01-032-2133