2b mounting facility all locations thread class 32 mounting facility all locations thread quantity per inch unc mounting facility all locations thread series
Used on test fixture 36659. 2a single mounting facility thread class 0.417" single mounting facility thread length 4.815" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 1.640" overall length snap or line unef single mounting facility thread series