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 5985-01-532-9697
NSN 6610-01-591-4374
NSN 6110-01-451-1135
NSN 5925-01-444-3880
NSN 5996-01-435-5547
NSN 6110-01-105-8373
NSN 5945-01-057-0171
NSN 5935-01-390-3445
NSN 5855-01-633-4848
NSN 5998-01-548-4450
NSN 5855-01-308-0955
NSN 5999-00-168-4247