| GENERAL CHARACTERISTICS ITEM DESCRIPTION | MAGNESIUM ALLOY QQ-M-56 COMP AZ91C-76,HOUSING,STEEL,AMS6381 COMP 4140 OR MIL-S-5000 COMP 4340 COND C1 OR MIL-S-6758 COMP 4130 COND C4 LINER,SURFACE FINISH,BLACK OXIDE COATED FW4084 BELL HELICOPTER CO,DIM.,3.176 IN. MIN,3.188 IN. MAX OD,2.6766 IN. 1.040 IN. MAX ID LG,2.455 IN. NOM INTERNAL FLANGE DIA,0.078 IN. NOM INTERNAL FLANGE W,4.120 IN. NOM EXTERNAL FLANGE OD,0.190 IN. NOM EXTERNAL FLANGE W,1.227 IN. MIN,1.233 IN. MAX O/A W,THREE TAB EXTENSIONS EQUALLY SPACED ON FLANGE W/TWO HOLES EACH,ONE OUTER POSITIONED HOLE 0.260 IN. MIN,0.267 IN. MAX DIA AND SPOT- FACED 0.750 IN. DIA,ONE HOLE 0.280 IN.MIN,0.287 IN. MAX DIA COUNTERBORED 0.438 IN. DIA BY 0.197 IN. DEEP ON FARSIDE |