Dimensions diam 2.68 in. By 1.935 in. L; cylinder cut down to 1.937 in. Diam max by 1.81 in. Long; hole 1.0 in. Diam centered drilled thru; 3 holes in top plate 0.144 in. On 2.296 in. Diam at angles of 120 deg; 4 leads 12 in. Long polytetrafluoroethylene insulated; orthogonality porm 5 deg; inductance 18 millihenries; resistance 36.5 ohms; breakdown 500 vac coils to case, 300 vac coil to coil; temp -55 degrees to plus 125 degcent; magnetic shield material hy-mu-80 or equivalent 0.014 in. Thick; used on 5brp7 type cathode ray tube