diff --git a/src/groups/mwc/mwcc/mwcc_orderedhashmap.h b/src/groups/mwc/mwcc/mwcc_orderedhashmap.h
index 410fb38c37..c8dc2c965b 100644
--- a/src/groups/mwc/mwcc/mwcc_orderedhashmap.h
+++ b/src/groups/mwc/mwcc/mwcc_orderedhashmap.h
@@ -296,6 +296,9 @@ class OrderedHashMap_SequentialIterator {
 
     // MANIPULATORS
 
+    /// Assign to this object the value of the specified `rhs` object.
+    OrderedHashMap_SequentialIterator& operator=(const NcIter& rhs);
+
     /// Advance this iterator to the next element in the sequential list and
     /// return its new value.  The behavior is undefined unless this
     /// iterator is in the range `[begin() .. end())` (i.e., the iterator is
@@ -885,6 +888,15 @@ inline OrderedHashMap_SequentialIterator<
 }
 
 // MANIPULATORS
+
+template <class VALUE>
+inline OrderedHashMap_SequentialIterator<VALUE>&
+OrderedHashMap_SequentialIterator<VALUE>::operator=(const NcIter& rhs)
+{
+    d_link_p = rhs.d_link_p;
+    return *this;
+}
+
 template <class VALUE>
 inline OrderedHashMap_SequentialIterator<VALUE>&
 OrderedHashMap_SequentialIterator<VALUE>::operator++()
diff --git a/src/groups/mwc/mwcc/mwcc_orderedhashmapwithhistory.h b/src/groups/mwc/mwcc/mwcc_orderedhashmapwithhistory.h
index 92e32a1e41..bf3087260c 100644
--- a/src/groups/mwc/mwcc/mwcc_orderedhashmapwithhistory.h
+++ b/src/groups/mwc/mwcc/mwcc_orderedhashmapwithhistory.h
@@ -108,6 +108,9 @@ class OrderedHashMapWithHistory_Iterator {
 
     // MANIPULATORS
 
+    /// Assign to this object the value of the specified `rhs` object.
+    OrderedHashMapWithHistory_Iterator& operator=(const NcIter& rhs);
+
     /// Advance this iterator to the next element in the sequential list and
     /// return its new value.  The behavior is undefined unless this
     /// iterator is in the range `[begin() .. end())` (i.e., the iterator is
@@ -386,6 +389,15 @@ inline OrderedHashMapWithHistory_Iterator<
 }
 
 // MANIPULATORS
+
+template <class VALUE>
+inline OrderedHashMapWithHistory_Iterator<VALUE>&
+OrderedHashMapWithHistory_Iterator<VALUE>::operator=(const NcIter& rhs)
+{
+    d_baseIterator = rhs.d_baseIterator;
+    return *this;
+}
+
 template <class VALUE>
 inline OrderedHashMapWithHistory_Iterator<VALUE>&
 OrderedHashMapWithHistory_Iterator<VALUE>::operator++()