4.145" overall length 0.245" overall width left side d-shaped pin guide rotated 90 deg, right side d-shaped pin guide rotated 180 deg clockwise from normal
4.145" overall length 0.245" overall width left side d-shaped socket guide rotated 180 deg clockwise from normal, right side d-shaped socket guide normal
2a single mounting facility thread class 0.437" single mounting facility thread length 2.245" overall length tap, circular, bushing mount unef single mounting facility thread series