Used on 1520-01-035-0266 helicopter, utility. 3a thread class right-hand 0.750" thread length 24 thread quantity per inch 18-8 stainless steel cup point set screw unc thread series
Used on uh-60 blackhawk. 3a thread class right-hand 28 thread quantity per inch protruding tension head titanium 1/16 inch grip variation specification:hi-lok product specification:342, material spec:AMS4928 or AMS4967, finish spec:hi-shear spec 294, heat treat:160, 000 psi tensile (95, 000psi shear ) aluminum surface treated unjf thread series