"The item comprises one actuator with part number JX-20 and one spring leaf with part number JX-101. The material for the actuator lever is CRES, 0.013 inches thick in accordance with QQ-S-766, Class 302, half-hard temper. The material for the leaf is 0.010 CRES as per QQ-S-766, Class 302, full-hard temper, finish No. 2D."