--- old/src/java.desktop/share/classes/javax/swing/plaf/basic/BasicSpinnerUI.java	2016-05-05 16:33:44.477628148 +0530
+++ new/src/java.desktop/share/classes/javax/swing/plaf/basic/BasicSpinnerUI.java	2016-05-05 16:33:44.177478148 +0530
@@ -210,6 +210,16 @@
         LookAndFeel.installBorder(spinner, "Spinner.border");
         LookAndFeel.installColorsAndFont(spinner, "Spinner.background", "Spinner.foreground", "Spinner.font");
         LookAndFeel.installProperty(spinner, "opaque", Boolean.TRUE);
+
+        JComponent editor = spinner.getEditor();
+        if (editor != null && editor instanceof JSpinner.DefaultEditor) {
+            JTextField tf = ((JSpinner.DefaultEditor) editor).getTextField();
+            if (tf != null) {
+                if (tf.getFont() instanceof UIResource) {
+                    tf.setFont(new FontUIResource(spinner.getFont()));
+                }
+            }
+        }
     }