2a single mounting facility thread class 0.417" single mounting facility thread length 1.822" overall length tap, circular, bushing mount unef single mounting facility thread series
Used on 5805-01-188-3993 central office,telephone,automatic. 2a thread class right-hand 1.625" overall length 18 thread quantity per inch unef thread series
2b first pressure CONNECTION2a second pressure connection thread class 0.438" second connection inside diameter 5.188" overall length 0.438" first connection outside diameter 2.812" overall width rectangular unf first pressure connectionunf second pressure connection thread series