MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Steel, forging alloy, grade d comp 4142 or 4145 h specification mil-s-46172, 14.000in. Diameter outside, 13.125 in. Diameter dowel circle, drill for reaming, thru countersink at 60 degrees to 0.469 dia, both sides, ream 0.436 m 0.437 p in. Diameter thru, four holes marked x equally spaced must be within 0.001 of true location, 13.250 in. Dia, drill 0.406 in. Diameter 8 holes, 12.251 in. Diameter a and c, 3.562 in. Diameter b, heat treat quench andtemper to rockwell c 32-36, sprine data10 pitch special, 24 teeth, 20 degree pressure angle chord space width at pitch diameter 0.158 in. Cut to gage
