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 5835-00-484-1529
NSN 6645-01-122-2318
NSN 5925-01-209-4948
NSN 6320-00-284-1524
NSN 5925-00-498-2008
NSN 6685-01-301-1735
NSN 5895-00-305-7549
NSN 6105-01-608-3974
NSN 6240-01-374-5113
NSN 5950-00-205-2932
NSN 6610-00-156-5699
NSN 5920-01-125-6469