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 6685-00-707-4842
NSN 5950-00-177-3055
NSN 6220-01-623-5919
NSN 2925-01-161-7440
NSN 5925-01-042-2812
NSN 5965-01-160-9819
NSN 5835-00-247-0161
NSN 5920-00-552-0269
NSN 5905-01-466-2808
NSN 6145-01-558-9396
NSN 5965-01-497-4582
NSN 6645-00-674-9728