MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Steel fs4140, fs4140 tent., fs8640, fs8642 tent., fs8740 per federal specification qq-s-624, forging specification 57-105-1; 13.055 inch outside diameter by 2.859 inch wide; 8 spaces equally spaced counterbore 1.000 inch diameter by 0.281 inch deep; center of tooth space and center of sector must be centerline: tooth data: 8 diametral pitch; 110 teeth in 360 degrees, 21 teeth spaces; 13.020 inch major diameter; 12.875 inch pitch diameter; 12.875 inch datum diameter; 12.750 inch minor diameter; 0.0875 teeth thickness; 0.250 inch teeth pitch r.H.
