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 6620-01-658-7036
NSN 5920-01-424-0745
NSN 6220-00-299-7749
NSN 6220-01-502-2756
NSN 5920-00-271-3217
NSN 6110-01-177-5988
NSN 6145-01-562-7106
NSN 5930-00-090-0257
NSN 4140-01-329-1752
NSN 5910-01-446-9272
NSN 5965-01-358-3198
NSN 6105-01-623-0919