| GENERAL CHARACTERISTICS ITEM DESCRIPTION | COMPOSED OF 2 RINGS OF ALUMINUM ALLOY,QQ-A-250/5 COMPOSITION 2024TEMPER T3,OUTER RING 5.760 IN. DIA,4.180 IN. DIA APERTURE,0.120 IN. THK,INNER RING,5.380 IN. DIA,4.180 IN. DIA APERTURE,0.016 IN. THK,SECURED BY12 EQUALLY SPACED RIVETS ON A 4.880 IN. DIA DRILLING CIRCLE |