Used on shipboard material handling equipment (mhe),wasp class lhd,trailer, semi (m860a1),chassis, truck (tss),truck, tractor (m911 & m746) (het),hemat (m989), family of medium tactical vehicles -medium,armored security vehicle, model xm1117, support equipment, b-1 aircraft, truck, fire/crash p8 and mrap. 2b thread class left-hand 16 thread quantity per inch cadmium or zinc surface treated
