1a nut thread b thread class right-hand nut thread a 0.750" nut thread b thread length 2.562" overall length 12 nut thread a thread quantity per inch un nut thread b thread series
Used on 2815001245387, engine with contain. 3a stud thread thread class 1.000" overall length 24 stud thread thread quantity per inch stud color red unf stud thread thread series
Used on t64 engine. 3a nut thread thread class right-hand nut thread 0.500" stud thread thread length 1.230" overall length 20 stud thread thread quantity per inch stud, plain-lock thread stud threads are lok thred, thread .002-.003 positive diameter taper per inch; stud thread end has number 60 stamped on end; nut thread end has letter j unjf nut thread thread series
Used on t64 engine. 3a nut thread thread class right-hand nut thread 0.750" stud thread thread length 1.810" overall length 16 stud thread thread quantity per inch stud, plain-lock thread stud threads are lok thred, thread .002-.003 positive diameter taper per inch; stud thread end has number 60 stamped on end; nut thead end has letter j unjf nut thread thread series