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 6610-00-701-2600
NSN 6105-00-450-6053
NSN 6135-00-276-7625
NSN 5905-00-126-8846
NSN 2925-01-424-0235
NSN 7035-01-131-1168
NSN 5965-00-893-2509
NSN 5996-00-543-1566
NSN 6135-00-240-3200
NSN 6105-01-106-3221
NSN 6610-00-484-2662
NSN 5950-00-498-0553