MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Steel alloy qq-s-624 type4340, cold finished, phosphate coated, rockwell hardness c33-38, 17.460 in. Nom arc lg over teeth, 1.020 in. Nom dia, 4 holes 0.416 in. Nom dia, 3 holes for 0.312 in. Nom diameter dowel pin at assembly, 55 teeth, 0.31416 diametral pitch, tooth form agma 201.02, 20 degrees pressure angle, pitch diameter 18.0000, tooth thickness 0.1570, form diameter 17.8370, root diameter 17.750, meshes with part no. 8436961