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 5996-01-605-0950
NSN 5920-01-024-9190
NSN 6620-01-034-7636
NSN 5835-01-495-5986
NSN 6150-01-155-6940
NSN 6610-00-100-1195
NSN 6685-01-440-8749
NSN 5910-01-184-3391
NSN 5950-01-223-3658
NSN 6240-00-066-0714
NSN 5855-01-522-4471
NSN 6145-01-197-9558