2a all threaded stud thread class 0.313" first connection inside diameter 0.562" all threaded stud thread length 2.873" overall length 32 all threaded stud thread quantity per inch cylindrical unc all threaded stud thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 5.188" overall length circular wafer, bushing mount unef single mounting facility thread series