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 6645-00-171-9639
NSN 6320-00-681-1324
NSN 5960-01-605-9921
NSN 5950-00-632-8095
NSN 6650-01-555-0896
NSN 5960-00-066-2573
NSN 6685-01-602-9019
NSN 5950-01-304-7497
NSN 2925-01-014-0118
NSN 6150-01-004-0855
NSN 7035-01-213-5590
NSN 5998-01-322-4648