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 5945-00-248-6798
NSN 5915-00-498-3676
NSN 6150-01-142-0229
NSN 5895-01-292-3584
NSN 5925-01-095-8410
NSN 5945-00-985-8376
NSN 5905-01-162-0817
NSN 2925-00-526-4541
NSN 6685-01-430-9192
NSN 6320-01-399-6177
NSN 6685-00-387-2567
NSN 5965-01-449-2757