"CRES AMS 5610,HOLLOW CYLINDRICALSHAPE,MACHINED FITTING,0.500-20 UNF 3A EXTERNAL THD COLLAR,0.312-24 UNF 3B INTERNAL THD 1ST END,1ST END HEXAGON WRENCHING FEATURE W/TWO SAFETYWIRE HOLES,0.44 IN. DISTANCE ACROSS WRENCHING FLATS,2ND END 0.094 IN. DIAHOLE CROSS DRILLED THROUGH IN TWO PLACES AT 90 DEG"