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 5920-01-044-1869
NSN 5910-00-437-7645
NSN 6610-01-563-4312
NSN 5975-00-704-0334
NSN 5998-01-449-0659
NSN 6145-00-170-7947
NSN 6105-01-440-8922
NSN 5905-01-350-5498
NSN 5998-01-430-2773
NSN 5915-01-252-8683
NSN 5965-01-208-6903
NSN 5975-01-423-0695