3b thread class right-hand 18 thread quantity per inch two wire holes 0.050 to 0.060 in.dia., one ea located 180 deg.angle on hex points silver surface treated
3b thread class right-hand 24 thread quantity per inch special features used to secure- clamps & brackets of engine&exposed toextreme heat F118 engine qualified; dry film lubricant
Used on coupling,shaft,rexnord corp,series 63; aircraft, prowler ea-6b; aircraft, b-1b; aircraft, intruder a-6e; landing craft air cushion (lcac). 3b thread class right-hand 18 thread quantity per inch passivate surface treated
Used on f118 engine qualified. 3b thread class right-hand 24 thread quantity per inch removed two points on wrenching configuration 180 degrees apart, 10-point nut; finish is esnalube 382
