"STEEL,AMS6381,MIL-S-5626,AISI 4140,CONDITION C1 OR MIL-S-6758,AISI 4130,CONDITION D1,BLACK OXIDE FINISH,FW4084-97499,3.590/3.600 IN. FLANGE OD,0.187/0.197 IN. FLANGE W,2.875 IN. INTERNAL FLANGE ID,3.125/3.130 IN. BODY ID,0.759 IN. END TO FLANGE DISTANCE,3.330/3.331 IN. BODY OD,3 HOLES 0.108/0.114 IN. DIA EQUALLY SPACED IN BODY,MAGNETIC INSPECT PER MIL-I-6868"