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 6130-01-023-8031
NSN 6130-01-465-2994
NSN 5835-00-707-6266
NSN 5965-01-159-0921
NSN 5975-01-210-0877
NSN 5996-00-093-5925
NSN 5930-01-618-1188
NSN 6685-01-512-8831
NSN 6105-01-366-0560
NSN 5996-01-319-8315
NSN 6240-01-258-5829
NSN 6650-00-629-8027