Used on ic announcing. 2a thread class right-hand 1.405" overall length 1.328" overall width 18 thread quantity per inch has 3 equally spaced teeth for non-rotating purposes. has fluid resistant insert with neoprene seals. accommodates rear removable, crimp style, socket contacts. unef thread series
Used on electric heat; seawolf class ssn. (navy) switch, 3 pole disct description: unit mounted in field disconnect switch 3 pole for 3 phase; field installed option