diff --git a/opm/parser/share/keywords/000_Eclipse100/N/NNC b/opm/parser/share/keywords/000_Eclipse100/N/NNC
new file mode 100644
index 000000000..afd28a4c7
--- /dev/null
+++ b/opm/parser/share/keywords/000_Eclipse100/N/NNC
@@ -0,0 +1,52 @@
+{
+  "name": "NNC",
+  "sections": ["GRID"],
+  "items": [
+  {"name": "I1", "value_type": "INT"},
+  {"name": "J1", "value_type": "INT"},
+  {"name": "K1", "value_type": "INT"},
+  {"name": "I2", "value_type": "INT"},
+  {"name": "J2", "value_type": "INT"},
+  {"name": "K2", "value_type": "INT"},
+  {"name": "TRAN",
+  "value_type": "DOUBLE",
+  "dimension": "Transmissibility",
+  "default": 0.0 },
+  {"name": "SIM_DEPENDENT1",
+  "value_type": "DOUBLE",
+  "dimension": "ContextDependent",
+  "default": 0.0 },
+  {"name": "SIM_DEPENDENT2",
+  "comment": "This item is deprecated",
+  "value_type": "DOUBLE",
+  "dimension": "ContextDependent",
+  "default": 0.0 },
+  {"name": "PRESSURE_TABLE1",
+  "value_type": "INT",
+  "default": 0 },
+  {"name": "PRESSURE_TABLE2",
+  "value_type": "INT",
+  "default": 0 },
+  {"name": "VE_FACE1",
+  "value_type": "STRING",
+  "default": "" },
+  {"name": "VE_FACE2",
+  "value_type": "STRING",
+  "default": "" },
+  {"name": "DIFFUSIVITY",
+  "value_type": "DOUBLE",
+  "default": 0.0 },
+  {"name": "SIM_DEPENDENT3",
+  "value_type": "DOUBLE",
+  "dimension": "ContextDependent",
+  "default": 0.0 },
+  {"name": "VDFLOW_AREA",
+  "value_type": "DOUBLE",
+  "dimension": "Length*Length",
+  "default": 0.0 },
+  {"name": "VDFLOW_PERM",
+  "value_type": "DOUBLE",
+  "dimension": "Permeability",
+  "default": 0.0 }
+ ]
+}