A plurality of support members are attached to {TAIL ~ the housing} and supportingly position {HEAD ~ the sealing ring} radially within the housing 
A plurality of support members are attached to { TAIL ~ the housing } and supportingly position { HEAD ~ the sealing ring } radially within the housing
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH