Used on mv-22 aircraft. right-hand double hexagon w/hole head style essential to weapon system performance or operation, or the preservation of life or safety of operating personnel unj thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.188" grip length rivet has dry film lubed sleeve. passivate sleeve surface treated
3a thread class right-hand flat countersunk head style 28 thread quantity per inch screw, machine-flat 100 deg head, close tolerance, short thread, offset cruciform, 160 ksi passivate surface treated unjf thread series
Used on v22 aircraft. 1.789" inside diameter 2.025" outside diameter 0.046" major thickness special flat ring style ring, retaining, aircraft total thickness is 0.046 min passivate surface treated
Used on mv-22 (v-22 lrip1). 3a thread class right-hand 0.298" thread length undercut pan no. 2 head style 0.938" grip length 28 thread quantity per inch screw, shear, pan head, close tolerance, short thread, six lobe recess, 95 ksi fsu paint surface treated unjf thread series
Used on mv-22 (v-22 lrip1). 3a thread class right-hand 0.260" thread length undercut pan no. 2 head style 0.438" grip length 32 thread quantity per inch screw, shear, pan head, close tolerance, short thread, six lobe recess, 95 ksi fsu paint surface treated unjf thread series
Used on mv-22 (v-22 lrip1). 3a thread class right-hand 0.298" thread length undercut pan no. 2 head style 0.750" grip length 28 thread quantity per inch screw, shear, pan head, close tolerance, short thread, six lobe recess, 95 ksi fsu paint surface treated unjf thread series