Used on contractor logistics lifetime support (crls) roller, vibratory, self-proprlled type ii caterpillar model cs-563d contract no. daae07-98-c-s007 nsn 3895-01-456-2735 tm - 5-3895-383.
Used on 1230-01-503-7784. item includes an aluminum flange, that measures 0.250"thick; a butyl rubber ball that is 1.500" in diameter; all but spherical surface has a black powder protective finish
Used on rudder ins ki. 1.750" overall length item may have a spiral or straight type oil groove incorporated into the shank, with a 0.060 max width; shank diameter is 0.3125" nom. ball