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 5835-01-143-6841
NSN 5855-01-047-9267
NSN 5960-01-241-1844
NSN 6610-01-102-2256
NSN 5930-01-199-1645
NSN 6645-00-292-5053
NSN 5950-00-586-0761
NSN 6110-01-457-7169
NSN 6135-01-472-9011
NSN 6220-01-093-9737
NSN 5835-01-519-3834
NSN 2925-00-595-7525