| GENERAL CHARACTERISTICS ITEM DESCRIPTION | ALUMINUM ALLOY 356-T6,AMS 4260,90 MICROINCH AA RATING MAX MACHINED FINISH,1.010 IN. MIN,1.015 IN. MAX GREATER ID,0.855 IN. ID,0.080 IN. LG LESSER APERTURE,3 EQUALLY SPACED 0.250 IN. MIN,0.260 IN. MAX DIA THD HOLES,0.190-24 UNC-3B PER MIL-S-7742,90.0 DEG TO CENTER LINE INTO CORE |