Hourmeter calibrated at 62500 rpm equal one hour
A tachometer that is driven through the media of a mechanical connection and includes provisions for fixed mounting.
NSN 5895-00-424-6296
NSN 5925-01-254-2578
NSN 6650-01-287-2628
NSN 5920-01-396-5325
NSN 5905-01-204-1960
NSN 6145-01-220-0884
NSN 4140-01-100-1223
NSN 2925-01-161-7440
NSN 5999-00-677-7346
NSN 5990-00-226-1152
NSN 6620-01-169-9470
NSN 5950-01-502-7333