GENERAL CHARACTERISTICS ITEM DESCRIPTION | MATERIAL COPPER ALLOY FED QQ-C-465 COMPOSITION 642,FINISH BLACK OXIDE COATING PER MIL-F-495,2.875 IN. SQUARE BY 1.375 IN. LG,1.000 IN. DIA HOLE THRU LENGTH,ONE END COUNTERBORED 1.375 IN. DIA BY 0.187 IN. DEEP CHAMFERED 0.031 IN. DEEP 45 DEG,OTHER END COUNTERBORED 0.050 IN. DEEP 1.305 IN. DIA,TWO INTERNAL CIRCULAR GROOVES,ONE GROOVE 0.188 IN. W BY 1.375 IN. DIA NEXT TO COUNTERBORE,OTHER GROOVE 0.218 IN. W BY 1.250 IN. DIA 0.262 IN. FROM FIRST GROOVE,ONE EXTERNAL GROOVE 0.187 IN. W BY 0.1257 IN. DEEP,SQUARE PORTION OF COVER IS 0.437 IN. THK,ROUND PORTION IS 2.4995 IN. DIA,SQUARE FLANGE HAS FOUR 0.406 IN. DIA MTG HOLES SPACED ON 3.187 IN. BOLT CIRCLE |