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 5950-01-634-0677
NSN 6130-00-470-8589
NSN 5925-00-027-8220
NSN 5965-01-358-6859
NSN 5998-00-528-9032
NSN 6240-01-093-0837
NSN 6110-01-141-3555
NSN 6320-01-495-0512
NSN 6130-01-058-2642
NSN 5905-01-658-6325
NSN 5950-00-161-4419
NSN 4140-01-592-4133