CABLE: TACHOMETER (P/N 486-690) - New Surplus

The 486-690 is a mechanical tachometer cable that transmits engine rotation speed to the instrument panel tach gauge. It features a steel inner core housed in a protective outer sheath, designed to handle continuous rotational input from the engine accessory case. Available in left- or right-lay configurations to match engine rotation direction.

Installation requires routing with gentle bends to prevent binding, verifying cable length against the aircraft IPC, and confirming rotation compatibility with both the tach drive and instrument.

What is the CABLE: TACHOMETER (P/N 486-690)?

The 486-690 is a mechanical tachometer cable that transmits engine rotation speed to the instrument panel tach gauge. It features a steel inner core housed in a protective outer sheath, designed to handle continuous rotational input from the engine accessory case.

Is the 486-690 a PMA or OEM part?

The CABLE: TACHOMETER may be available as an OEM (Original Equipment Manufacturer) or PMA (Parts Manufacturer Approval) part depending on condition and source. Both carry FAA certification for airworthiness. Currently available in: New Surplus. Contact us for sourcing details.

Does the 486-690 include installation hardware?

Installation hardware requirements vary by application. Check your aircraft's Structural Repair Manual (SRM) or Illustrated Parts Catalog (IPC) for the complete installation kit requirements for the CABLE: TACHOMETER. We stock related hardware and can help identify companion parts.

Can the 486-690 be shipped internationally?

Yes, we ship airframe components worldwide. International orders typically arrive within 3-14 business days depending on destination. Export documentation and customs forms are included. Contact us for international shipping quotes on the 486-690.