2a single threaded stud thread class 0.172" single threaded stud thread length 40 single threaded stud thread quantity per inch disc unc single threaded stud thread series
Used on helicopter, uscg search and rescue, hh-60j; emory s. land class as; wasp class lhd; general purpose electronic test equipment gpete; helicopter, search and rescue, hh-60h; forrestal class cv; helicopter, carrier based asw, sh-60f; los angeles class ssn (688); oliver perry class ffg. weapon system essential
