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 5930-00-035-4739
NSN 6105-01-197-4905
NSN 5910-00-614-1438
NSN 5930-01-475-4206
NSN 6685-01-543-3291
NSN 5915-01-394-1586
NSN 6320-01-202-8761
NSN 5895-01-080-2846
NSN 5996-01-009-8855
NSN 5985-01-260-8583
NSN 6220-01-297-5084
NSN 5965-00-356-3838