A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 6620-01-540-4298
NSN 5999-00-981-1200
NSN 6610-01-106-5012
NSN 5935-01-596-0575
NSN 6110-01-619-3896
NSN 5950-01-622-7243
NSN 6320-00-908-6841
NSN 5945-01-449-3315
NSN 5925-01-093-5156
NSN 5996-01-627-5094
NSN 5895-01-280-7119
NSN 5910-01-617-1860