A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 6610-00-810-8326
NSN 5945-00-931-4870
NSN 5945-01-518-6778
NSN 5998-01-427-8462
NSN 5999-00-086-8567
NSN 5998-00-840-3816
NSN 5920-00-672-5583
NSN 4140-00-948-3663
NSN 5910-01-281-8697
NSN 6610-00-929-4754
NSN 5925-01-634-0664
NSN 5855-00-149-0766