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 5895-01-346-8300
NSN 6685-00-247-1471
NSN 5965-01-605-1753
NSN 6645-01-341-3436
NSN 5920-01-246-5011
NSN 5895-01-584-8662
NSN 5855-00-951-6483
NSN 5855-00-797-8217
NSN 5950-01-037-6945
NSN 5999-01-629-2949
NSN 5920-01-433-3135
NSN 5965-01-088-5414