2a single mounting facility thread class 0.250" single mounting facility thread length 1.242" overall length snap or line unf single mounting facility thread series
Used on 4920010598960 54077. 2a single mounting facility thread class 0.500" single mounting facility thread length 2.437" overall length 1.620" overall width tap, circuit selector unf single mounting facility thread series
2a single mounting facility thread class 0.437" single mounting facility thread length 2.591" overall length tap, circular, bushing mount unef single mounting facility thread series