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 5895-01-431-8116
NSN 6610-01-576-8955
NSN 6610-01-246-4164
NSN 6240-00-994-4056
NSN 5935-00-633-8302
NSN 6610-00-277-7206
NSN 5945-01-025-1163
NSN 6610-00-285-5366
NSN 6320-00-681-1324
NSN 5950-00-212-7827
NSN 6135-01-571-0845
NSN 5965-01-236-9988