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 5855-00-484-8638
NSN 5975-01-023-6895
NSN 5950-01-444-1666
NSN 5930-01-268-1867
NSN 5910-01-573-3736
NSN 6150-00-099-6919
NSN 5985-01-627-7543
NSN 5965-01-312-1630
NSN 5965-01-170-4425
NSN 6150-01-381-2965
NSN 6130-01-329-5461
NSN 5920-00-607-3385