Passage means provide a path for lubricant to flow into {HEAD ~ the cavity} which has, within its boundaries, {TAIL ~ the internalexternal spline arrangement} described, thus insuring continued lubrication of the spline connection 
Passage means provide a path for lubricant to flow into { HEAD ~ the cavity } which has , within its boundaries , { TAIL ~ the internalexternal spline arrangement } described , thus insuring continued lubrication of the spline connection
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH