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 6110-01-032-5075
NSN 5999-00-563-5451
NSN 6110-01-250-2936
NSN 5925-00-622-0354
NSN 5975-00-457-0611
NSN 5960-00-490-0138
NSN 6645-01-086-7668
NSN 4140-01-035-5530
NSN 5930-01-345-8091
NSN 5999-00-837-7615
NSN 6650-00-996-9132
NSN 5945-00-477-3055