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 5985-00-059-9386
NSN 6105-01-231-5450
NSN 6145-00-985-8348
NSN 5990-00-342-4388
NSN 5996-01-493-1858
NSN 7035-00-093-5840
NSN 5960-00-297-7099
NSN 6645-01-217-8809
NSN 6220-01-573-7639
NSN 5960-01-302-2717
NSN 5930-01-492-6967
NSN 7035-00-153-3826