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 5945-00-260-4333
NSN 6320-00-300-5556
NSN 5950-00-887-0632
NSN 5965-00-100-1291
NSN 6620-01-044-3371
NSN 5915-01-391-4664
NSN 6220-00-113-3166
NSN 6220-00-057-2236
NSN 5855-00-610-4052
NSN 5990-01-116-2181
NSN 5925-00-631-1078
NSN 5895-00-407-4323