Used on operator housing assy, lockout ballscrew assembly.. 2.5000" overall width 3.5060" bore diameter bearing journal items referencing "dss-fc" in the remarks column of the parts list. material list or joint list (as applicable) are those items within the dss-soc boundry which are full compliance (fc) as defined in the nssn dss certification program plan. these items shall meet the requirements specified on the drawing/diagram inner ring, roller, cylindrical