DISC SPRING, BELLEVILLE, 302 STAINLESS STEEL, MIN INSIDE DIA 0.380 IN, MAX OUTSIDE DIA 0.750 IN, THICKNESS 0.034 IN, OVERALL HEIGHT 0.055 IN, LOAD 169 LBS, DEFLECTION @ LOAD 0.011 IN, FLAT LOAD 282 LBS, MEETS/EXCEEDS ASI 302 AND GOVERNMENT AMS TYPE 302, PACKAGE 12