General Information

Can’t find a MOOG D661-423A valve anywhere? Check with us – we probably have one or can track it down.

The NC Servo Tech Advantage

Professional service since 1975 has established NC Servo Technology as a trusted partner for industrial repair needs. Our experience translates to better outcomes for your equipment.

Maintenance Tips

  • Perform routine functional tests to catch drift early.
  • Store spare units in clean, climate-controlled environments.
  • Review application loads to prevent component fatigue.

Ready When You Are

This unit is not currently listed in stock. Contact us to review repair timelines, exchange possibilities, or alternate solutions tailored to your downtime requirements.

Frequently Asked Questions

Schedule Your MOOG D661-423A Service Today

Trust NC Servo Technology for top-tier service. Contact us today to schedule your repair and get your unit refurbished.