AIA/NAS 623-2012 pdf download SCREW, SHEAR, PAN HEAD, ALLOY STEEL, CRUCIFORM RECESS, SHORT THREAD, 95 KSI Fsu
HEAT TREAT: DEVELOP BASIC MATERIAL PROPERTIES AS FOLLOWS, WITH CONTROLS PER AMS-H-6875 OR AMS2759.
ALLOY STEEL: 1 60-1 80 KSI Ftu, 95 KSI Fsu
CODE: FIRST DASH NUMBER DESIGNATES NOMINAL DIAMETER (SEE TABLE I). SECOND DASH NUMBER DESIGNATES GRIP LENGTH IN .0625 INCREMENTS (CONVERTED TO THREE DECIMAL PLACES PER ANSI Y1 4.5-1 982).