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 5855-01-608-1235
NSN 7035-00-870-0290
NSN 5960-01-564-5044
NSN 5935-00-246-4519
NSN 5925-00-462-9164
NSN 5925-00-484-4566
NSN 5996-01-067-6730
NSN 6610-00-881-5060
NSN 6650-00-950-4107
NSN 5920-01-482-0538
NSN 6130-01-212-5885
NSN 7035-00-908-4933