MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Oak group 4 of specification mil-c-104; rectangular cross-sectional shape; dimensional data, 3.625 in. W, 3.625 in. Thk material, 9.750 in. Lg; mounting hole data, 2, 11/16 in. Diameter hole, 2 holes spaced 4.000 in. C to c, 1st hole located 3.750 in. From end of runner; special features, 2 top edges chamfered 45 degrees by 1/2 in. By 9.750 in. Lg, lower edge of end /located 3.750 in. From center line of f 1st hole/ is chamfered 45 degrees by 1.000 in. By 3.625 in. Lg, 11/16 in. Diameter holes drilled horizontal and located 1.500 in. From top edge of runner, treated with creosote wood preservative per federal specification tt-w-568
