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 5835-00-707-6266
NSN 5905-00-300-6429
NSN 5910-01-433-4961
NSN 2925-00-233-5644
NSN 5930-00-558-9157
NSN 6620-01-259-5944
NSN 5996-01-412-1396
NSN 6610-00-088-9527
NSN 5996-01-179-5688
NSN 6645-00-232-4070
NSN 6150-00-316-3223
NSN 5920-01-016-0836