3b thread class right-hand flat head style 32 thread quantity per inch stud nut A286 cres steel, hex recess dry film lubricant iaw AS5272, type i; anti-seize compound per mil-a-907 applied to internal threads; designed for use with a CA1671 ( ) retaining ring; dimensions apply before dry film lubricant; thread length is 0.400" passivate surface treated