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 5835-01-495-0595
NSN 5925-01-104-4893
NSN 5960-01-605-9921
NSN 5925-01-075-6142
NSN 6220-01-256-9835
NSN 6130-01-104-4371
NSN 6610-01-160-6585
NSN 5945-01-657-4070
NSN 7035-01-322-0221
NSN 6685-01-025-1587
NSN 6240-01-251-1427
NSN 5985-01-658-3358