steel per ams 6491 for ring and rollers,hardness rc 60-64,cage to be one piece machined and broached,inner land riding,snap retentions,non-separable,steel per ams 6415,hardness rc 28-35,silver plated 0.001-0.002 in thk overall per ams 2412;afbma tolerance rbec 5;housing bore diam 1.2597 in. min 1.2600 in. max;shaft diam 0.7736 in. min 0.7738 in. max;lubricant mil-l-7808/mil-l-23699,oil mist method;roller ends to be parallel within 0.0001;roller to ring end clearance 0.0005-0.0011 general characteristics item description, t62t32a gas turbine eng end item identification