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 5965-00-970-6431
NSN 6620-00-801-4674
NSN 5920-01-020-7659
NSN 6620-00-244-0965
NSN 6320-01-129-9656
NSN 6610-01-087-7718
NSN 5915-01-448-5314
NSN 5905-00-299-8000
NSN 6220-01-425-6346
NSN 5996-01-379-3502
NSN 5975-00-136-9005
NSN 6610-00-225-9886