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 6150-01-106-3293
NSN 5990-01-478-8638
NSN 6220-00-614-7174
NSN 2925-00-004-1278
NSN 6150-01-141-0115
NSN 5905-00-057-4883
NSN 5935-00-111-1333
NSN 5920-00-967-1396
NSN 6685-01-378-5513
NSN 5855-01-373-7538
NSN 2925-00-672-5836
NSN 5990-01-029-0868