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 5945-01-614-7668
NSN 6650-00-161-4122
NSN 2925-01-187-5480
NSN 5965-01-058-1414
NSN 6145-01-157-2046
NSN 6150-00-122-2566
NSN 7035-01-654-4139
NSN 6610-01-425-1523
NSN 6145-00-862-7069
NSN 5935-01-217-7859
NSN 5895-01-286-1622
NSN 5985-00-529-9369