2a single mounting facility thread class 0.292" single mounting facility thread length 1.856" overall length tap, circular, bushing mount unef single mounting facility thread series
Used on 6740-01-193-2018 printer-processor,photographic film. 2b thread class right-hand 1.250" overall length 2.000" overall width 6 thread quantity per inch two holes in coupling ring for safety wire special acme thread series