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 5905-00-762-8100
NSN 5998-01-564-1398
NSN 5895-01-268-1680
NSN 5895-01-418-2422
NSN 5999-00-557-3659
NSN 6620-00-246-1529
NSN 5975-00-964-4510
NSN 5950-00-376-9739
NSN 5999-00-044-4537
NSN 6320-01-488-5581
NSN 5925-01-044-5508
NSN 5930-01-472-5826