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 5998-01-459-3073
NSN 5915-00-054-0924
NSN 5930-00-356-5579
NSN 6150-01-364-8688
NSN 7035-01-263-3399
NSN 5965-01-597-4868
NSN 5960-00-978-7435
NSN 6610-00-810-8326
NSN 5920-01-033-4891
NSN 5905-01-425-1366
NSN 6320-01-304-3639
NSN 6110-01-624-9808