Falk Coupling Shaft flexible P/N1040T31/35 Spacer HUBCL=1.625 1040T31/35 2each. 1040T10 cover -grid assy 1each DESIGN TYPE GRID SPRING OVERALL LENGTH 7.760 INCHES NOMINAL OUTSIDE DIAMETER 4.625 INCHES NOMINAL BORE SHAPE STRAIGHT BOTH ENDS BORE DIAMETER 1.0000 INCHES NOMINAL BOTH ENDS BORE LENGTH 3.5000 INCHES NOMINAL BOTH ENDS KEYING FACILITY QUANTITY 1 BOTH ENDS KEYING FACILITY SPACING IN DEG 360.0 BOTH ENDS KEYING FACILITY TYPE KEYWAY BOTH ENDS KEYWAY WIDTH 0.312 INCHES NOMINAL BOTH ENDS