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 6220-00-614-7174
NSN 5996-01-506-0316
NSN 5855-01-364-8193
NSN 5985-00-393-2480
NSN 6110-00-442-7657
NSN 6110-01-060-2407
NSN 5975-00-935-3942
NSN 5998-01-146-0937
NSN 5915-00-501-4558
NSN 5998-01-430-5572
NSN 6320-01-422-1212
NSN 5835-00-725-2087