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 6220-01-567-6956
NSN 6150-01-055-7545
NSN 6150-01-422-0421
NSN 6145-00-136-9132
NSN 6145-01-287-3614
NSN 5895-01-184-3803
NSN 5985-01-446-8269
NSN 6110-01-278-9376
NSN 5975-01-324-3980
NSN 6135-00-087-5300
NSN 6145-01-291-0809
NSN 6610-01-266-3447