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 4140-00-753-6888
NSN 5975-00-144-7878
NSN 5965-01-411-4323
NSN 6320-01-415-0953
NSN 5960-01-498-0572
NSN 6150-01-529-6227
NSN 5950-01-251-2297
NSN 6105-00-998-7747
NSN 6145-00-269-4271
NSN 5835-01-332-2867
NSN 6220-01-215-6983
NSN 6110-01-459-9022