"TAPER LENGTH: 2.830 IN. NOMINAL; DISTANCE FROM CENTER OF BORE TO TOP OF KEY: FIRST END, 0.090 IN. NOMINAL; SECOND END, 0.120 IN. NOMINAL; 1 KEYING FACILITY PROVIDED; KEYING FACILITY WIDTH: FIRST END, 0.190 IN. NOMINAL; SECOND END, 0.250 IN. NOMINAL"