Thermo King Hex Nut With Keps Washer 10-32 550664

$2.74

Official OEM Thermo King parts catalog entry for the Thermo King Nut Hex Keps 10-32 (550664), verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.

Built for Performance: The Thermo King refrigeration system Nut Hex Keps 10-32 (550664) secures service components across transport refrigeration assemblies, delivering reliable fastening and vibration resistance for reefer trailers and refrigerated trucks operating in demanding West Texas conditions.

Key Features & Customer Benefits

  • OEM Fitment – Ensures precise engagement with #10-32 hardware used on Thermo King components for consistent assembly and reduced downtime.
  • Keps Washer Integration – Provides an attached, free-spinning washer that resists loosening from vibration and simplifies installation during routine service.
  • Hex Drive – Standard hex shape allows fast, secure torquing with common hand tools used by fleet technicians across Amarillo and the Permian Basin.
  • Vibration Resistance – Designed to maintain clamp and bracket integrity in transport refrigeration environments, supporting temperature control and cargo protection.
  • Quick Replacement – Readily available through certified Thermo King parts channels to support rapid repairs and optimized fleet uptime.

Product Details

Part Number550664
Product NameThermo King Nut Hex Keps 10-32
Thread Size#10-32 (10 gauge, 32 TPI)
TypeHex nut with attached Keps washer
Common UseHardware fastening on Thermo King transport refrigeration assemblies
Wrench Size (Approx.)3/8 inch across flats

Efficiency & Sustainability

Precision fasteners like the Nut Hex Keps 10-32 support fuel-efficient cooling by maintaining secure connections on components that manage airflow, refrigeration circuits, and controls. Properly fastened assemblies reduce service interruptions and refrigerant handling events, supporting reliable temperature control for Smart Reefer SR-4 and Precedent-series systems while contributing to overall fleet efficiency and regulatory compliance such as CARB Evergreen where applicable.

Installation & Maintenance Tips

Install using specified torque values for #10 hardware and inspect the Keps washer for free rotation and seating during scheduled maintenance intervals. Use OEM-grade replacement fasteners and standard hex tooling for consistent, repeatable service. Inspect fastened joints after vibration-intensive routes and re-torque as part of routine fleet checks.

Real-World Applications

The Thermo King Nut Hex Keps 10-32 fits fastening needs on reefer trailers, refrigerated straight trucks, and transport refrigeration modules including Diesel Direct Electric and S-610DE systems. Technicians use this nut for bracketry, clamp mounts, control panel assemblies, and ancillary fittings where vibration resistance and quick assembly matter.

Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.

View all Thermo King Parts

Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.

For product verification or service assistance, call (806) 376-5837.

For current warranty eligibility or OEM replacement coverage, contact us for warranty information: contact us for warranty information.

Frequently Asked Questions

Q: Is this nut compatible with Thermo King Precedent and S-610 series units?
A: Yes. The Nut Hex Keps 10-32 (550664) fits #10-32 fastening points commonly used on Precedent and related Thermo King assemblies when the hardware specification calls for #10-32 fasteners.

Q: Does the integrated Keps washer reduce hardware loss during service?
A: Yes. The attached Keps washer stays with the nut during installation, simplifying replacement and reducing the risk of missing washers during field service.

Q: How does this fastener support fleet uptime in West Texas operations?
A: By maintaining secure, vibration-resistant connections on critical components, this fastener helps prevent loosening-related failures, supporting consistent temperature control and reducing unplanned service events.

Related Resources

Ask about fleet-wide parts programs through West Texas Thermo King.

Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.

Official OEM Thermo King parts catalog entry for the Thermo King Nut Hex Keps 10-32 (550664), verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.

Built for Performance: The Thermo King refrigeration system Nut Hex Keps 10-32 (550664) secures service components across transport refrigeration assemblies, delivering reliable fastening and vibration resistance for reefer trailers and refrigerated trucks operating in demanding West Texas conditions.

Key Features & Customer Benefits

  • OEM Fitment – Ensures precise engagement with #10-32 hardware used on Thermo King components for consistent assembly and reduced downtime.
  • Keps Washer Integration – Provides an attached, free-spinning washer that resists loosening from vibration and simplifies installation during routine service.
  • Hex Drive – Standard hex shape allows fast, secure torquing with common hand tools used by fleet technicians across Amarillo and the Permian Basin.
  • Vibration Resistance – Designed to maintain clamp and bracket integrity in transport refrigeration environments, supporting temperature control and cargo protection.
  • Quick Replacement – Readily available through certified Thermo King parts channels to support rapid repairs and optimized fleet uptime.

Product Details

Part Number550664
Product NameThermo King Nut Hex Keps 10-32
Thread Size#10-32 (10 gauge, 32 TPI)
TypeHex nut with attached Keps washer
Common UseHardware fastening on Thermo King transport refrigeration assemblies
Wrench Size (Approx.)3/8 inch across flats

Efficiency & Sustainability

Precision fasteners like the Nut Hex Keps 10-32 support fuel-efficient cooling by maintaining secure connections on components that manage airflow, refrigeration circuits, and controls. Properly fastened assemblies reduce service interruptions and refrigerant handling events, supporting reliable temperature control for Smart Reefer SR-4 and Precedent-series systems while contributing to overall fleet efficiency and regulatory compliance such as CARB Evergreen where applicable.

Installation & Maintenance Tips

Install using specified torque values for #10 hardware and inspect the Keps washer for free rotation and seating during scheduled maintenance intervals. Use OEM-grade replacement fasteners and standard hex tooling for consistent, repeatable service. Inspect fastened joints after vibration-intensive routes and re-torque as part of routine fleet checks.

Real-World Applications

The Thermo King Nut Hex Keps 10-32 fits fastening needs on reefer trailers, refrigerated straight trucks, and transport refrigeration modules including Diesel Direct Electric and S-610DE systems. Technicians use this nut for bracketry, clamp mounts, control panel assemblies, and ancillary fittings where vibration resistance and quick assembly matter.

Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.

View all Thermo King Parts

Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.

For product verification or service assistance, call (806) 376-5837.

For current warranty eligibility or OEM replacement coverage, contact us for warranty information: contact us for warranty information.

Frequently Asked Questions

Q: Is this nut compatible with Thermo King Precedent and S-610 series units?
A: Yes. The Nut Hex Keps 10-32 (550664) fits #10-32 fastening points commonly used on Precedent and related Thermo King assemblies when the hardware specification calls for #10-32 fasteners.

Q: Does the integrated Keps washer reduce hardware loss during service?
A: Yes. The attached Keps washer stays with the nut during installation, simplifying replacement and reducing the risk of missing washers during field service.

Q: How does this fastener support fleet uptime in West Texas operations?
A: By maintaining secure, vibration-resistant connections on critical components, this fastener helps prevent loosening-related failures, supporting consistent temperature control and reducing unplanned service events.

Related Resources

Ask about fleet-wide parts programs through West Texas Thermo King.

Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.