Mechanical Tachometer DF6186


■ Pulse tachometer produces a signal proportionate to rotational speed
■ Robust design for operation on vehicles in challenging environments
■ NSN 6680-01-114-7653, MIL 12258932-1



Description | Data Sheet | Related Products

Fixed Mounting Pulse Tachometer to DWG 12258931-1 Performance:

  • Suitable for exposure to oils, fuels and coolants
  • Self-lubricating for long service life
  • DF6186 features male and female take-off connections
  • Environmentally 90° sealed cable and Sure-Seal connector
  • Removable drive tip
  • All manufacturing in accordance with ISO 9001:2015
  • Cage Code 0TSK1


ESI Part Number Part Number NSN
DF6186 12258932-1 6680-01-114-7653



The DF6186 Mechanical Tachometer has been designed to be permanently installed and is manufactured to meet the exacting needs of military standards and provide outstanding reliability and service in the field. ESI has a proven track record for quality and workmanship, and a long history of supply to demanding defense applications.

The tachometer, also known as a speed transmitter, It is constructed using materials which conform to the requirements outlined in MIL drawings and specifications offering outstanding environmental protection when exposed to harsh physical conditions.

All units conform to the technical and physical standards outlined in the specification including accuracy, shock, vibration, humidity, high temperature, endurance, corrosion and immersion ensuring long service life in the field.

Our products are ensured to fit for purpose by employing 100% final inspection testing protocol and by adhering to workmanship according to the relevant MIL standards. Products are checked for conformity and supplied with relevant certification as standard.


ISO Certified 9001:2015


View Data Sheet (PDF)


Additional information

Additional information

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