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 6110-01-292-9844
NSN 5855-01-452-1406
NSN 5935-01-485-8855
NSN 5835-01-171-5368
NSN 5945-00-335-9717
NSN 5925-00-986-8980
NSN 5930-00-549-0527
NSN 5998-01-492-6140
NSN 5945-01-170-4432
NSN 5950-00-420-8364
NSN 6645-01-189-6942
NSN 6240-01-618-1978