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 6135-00-932-3136
NSN 7035-01-374-7954
NSN 2925-01-196-6187
NSN 5910-00-597-5900
NSN 5920-00-066-6885
NSN 6150-01-281-0618
NSN 5920-01-249-1903
NSN 6105-01-371-3733
NSN 5905-00-100-7739
NSN 6105-01-218-6105
NSN 5835-00-694-8592
NSN 5999-01-536-7617