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 6645-01-100-3296
NSN 5960-01-024-7918
NSN 6620-01-633-8443
NSN 5920-00-010-6652
NSN 6145-00-758-9884
NSN 5960-00-467-1692
NSN 5895-00-241-6169
NSN 5855-01-433-2220
NSN 7035-01-300-8409
NSN 6610-01-582-8181
NSN 5835-00-503-2608
NSN 6110-01-414-0661