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 6110-01-417-4484
NSN 6610-01-310-3313
NSN 2925-01-143-0092
NSN 5905-01-198-1695
NSN 6650-00-221-7119
NSN 2925-01-545-2717
NSN 5965-00-493-6008
NSN 6105-01-490-0843
NSN 5990-00-269-2226
NSN 6685-01-051-0423
NSN 5930-00-248-6264
NSN 6650-01-159-7961