2a thread class right-hand 1.742" overall length breference number G33CB16P26N1 w/ cagec 12464 was originally the spec control dwg (rncc/rnvc 7/2) on this nsn but cagec status is now 'f' so any change to dac requires an rncc/rnvc of 5/9 or c/1. unef thread series