| GENERAL CHARACTERISTICS ITEM DESCRIPTION | OAK GROUP 4 OF SPEC 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. DIA 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 DEG 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 DEG BY 1.000 IN. BY 3.625 IN. LG,11/16 IN. DIA HOLES DRILLED HORIZONTAL AND LOCATED 1.500 IN. FROM TOP EDGE OF RUNNER,TREATED WITH CREOSOTE WOOD PRESERVATIVE PER FED SPEC TT-W-568 |