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 6150-01-508-2558
NSN 6685-00-374-0482
NSN 5985-01-365-9453
NSN 5990-01-249-2060
NSN 6620-01-522-5717
NSN 6610-00-155-1334
NSN 6620-00-464-6105
NSN 6650-01-434-0331
NSN 5996-01-492-1695
NSN 5950-01-262-2063
NSN 2925-01-191-9668
NSN 5965-01-560-4387