Text in force at CS25-28: from CS25-0, effective 17 Oct 2003.
(a) Except as provided in sub-paragraph (b) of this paragraph, each part that has clearance (free fit), and that is subject to pounding or vibration, must have a bearing factor large enough to provide for the effects of normal relative motion.
(b) No bearing factor need be used for a part for which any larger special factor is prescribed.
ED Decision 2003/002/RM · Source