Used on ae2100d2, d3, j engine. 3a thread class right-hand 0.875" thread length double hexagon w/hole head style 20 thread quantity per inch bolt, machine double hexagon extended washer head unjf thread series
Used on f18 e/f. 3a thread class right-hand 0.345" thread length flat countersunk head style 0.865" grip length 32 thread quantity per inch bolt, 100 degree tension head, gear drive recess N125 ksi shear strength; finish - aluminum per mil-c-83488, type ii, class iii puls cetyl alcohol per mil-l-87132, type 1, grade b; intended for use in aluminum structure where applied sealant would not be suitable unjf thread series
Used on f18 e/f. 3a thread class right-hand 0.316" thread length spline drive shear head head style 1.000" grip length 28 thread quantity per inch bolt-close tolerance, spline drive, cres (125 ksi fsu) drilled, short thread one cotterpin hole, 0.076/0.081 inch, drilled in shank tip 0.108/0.118 inch from end passivate surface treated unjf thread series
3a thread class right-hand straight pan head style 0.933" grip length A24 thread quantity per inch head configuation has a 45 deg chamfered edge. dimensions provided by a standard part document ST3M761 passivate surface treated unjf thread series
Used on f18 e/f. 3a thread class right-hand 0.391" thread length spline drive shear head head style 2.688" grip length 24 thread quantity per inch bolt-close tolerance, spline drive, cres (125 ksi FSU0 drilled, short thread passivate surface treated unjf thread series