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 5965-01-443-3000
NSN 6105-00-586-7726
NSN 6620-00-106-9658
NSN 6135-01-375-6724
NSN 5915-00-823-6496
NSN 5930-01-043-1742
NSN 6685-00-732-1927
NSN 5975-00-394-2545
NSN 5925-00-833-6028
NSN 5905-01-301-4799
NSN 6145-01-474-8425
NSN 6105-01-579-6672