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 5990-01-608-3505
NSN 5835-01-244-8532
NSN 5945-00-311-0684
NSN 5935-00-317-9802
NSN 6320-00-731-6134
NSN 6620-01-026-0346
NSN 5975-01-148-1102
NSN 6135-01-379-0393
NSN 5945-01-514-3380
NSN 5855-01-544-7588
NSN 5996-01-283-5834
NSN 5930-01-131-4415