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 6610-01-431-8575
NSN 5950-01-356-2040
NSN 5998-00-925-7912
NSN 6610-01-561-5604
NSN 5855-01-040-3881
NSN 5975-00-269-4365
NSN 6610-01-473-5678
NSN 5975-00-186-8884
NSN 5985-01-091-7026
NSN 6620-00-738-6078
NSN 5998-00-141-9872
NSN 5975-01-322-6464