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 5935-01-156-0112
NSN 6650-01-129-8343
NSN 6130-01-567-7354
NSN 5945-01-262-0885
NSN 6320-00-853-1920
NSN 5975-01-224-6215
NSN 5930-01-089-5825
NSN 5945-01-052-6794
NSN 5895-01-415-5786
NSN 5999-00-113-9325
NSN 5996-01-050-6910
NSN 5960-01-398-4883