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 5905-01-102-6058
NSN 6110-01-196-6385
NSN 6150-00-276-7483
NSN 6650-00-469-6682
NSN 7035-01-265-2301
NSN 5920-00-035-4846
NSN 5996-01-350-3345
NSN 5975-01-382-9350
NSN 5935-00-584-4047
NSN 5925-01-448-9006
NSN 5910-01-433-0142
NSN 6620-00-679-5830