Hourmeter built in and only operates with alternator; blub 7-581-000052
A tachometer which functions by measuring the rate (dwell) of the opening and closing of the contact points. Suitable for use with magneto or battery ignition systems. Powered by self-contained batteries. Excludes tachometer, electronic; tachometer, stroboscopic and tachometer, vibrating reed.
NSN 6645-01-521-3180
NSN 6320-01-630-7629
NSN 5990-01-352-5255
NSN 2925-01-511-2667
NSN 4140-01-487-7425
NSN 5855-00-149-0766
NSN 2925-01-559-5733
NSN 5985-00-675-5849
NSN 6650-01-025-7425
NSN 5930-01-600-3458
NSN 5960-00-470-5079
NSN 7035-01-290-7174