2a single threaded bushing thread class 0.563" single threaded bushing thread length 2.406" overall length 27 single threaded bushing thread quantity per inch cylindrical w/flange npt single threaded bushing thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 3.125" overall length 1.750" overall width circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.250" single mounting facility thread length 2.656" overall length 1.516" overall width section 2 has 5 dummy terminals on front circular wafer, bushing mount unef single mounting facility thread series