2a single mounting facility thread class 0.375" single mounting facility thread length 5.248" overall length 1.250" overall width three dummy terminals on section two circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 5.659" overall length five dummy terminals on the front of section two circular wafer, bushing mount unef single mounting facility thread series