TYPE OF 
TOLERANCE

CHARACTERISTIC
AND SYMBOL

DATUM
REFERENCE

IMPLIED
CONDITION

ALLOWABLE
MATERIAL MODIFIERS

TOLERANCE
ZONE SHAPE

KEY POINTS TO REMEMBER

RUNOUT

CIRCULAR

YES

RFS

NONE


FULL INDICATOR
MOVEMENT (FIM)
  1. CAN BE DEFINED AS THE RELATIONSHIP BETWEEN TWO FEATURES
  2. RELATIVELY INEXPENSIVE

CIRCULAR RUNOUT:
A composite tolerance used to control the functional relationship of one or more features of a part to a datum axis.

CIRCULAR RUNOUT TOLERANCE ZONE:
Defined by the full indicator movement (FIM) along an independant circular element when a feature is rotated 360 degrees.