Thermo King Hex Head Threaded Screw 5/16-18 x 1 552969
Official OEM Thermo King parts catalog entry for the Thermo King Screw HH 5/16-18 x 1 (Part 552969), 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 Screw HH 5/16-18 x 1 (Part 552969) delivers OEM-grade fastening for temperature-critical assemblies. This hex head fastener supports secure connections across Thermo King refrigeration systems and helps maintain uptime for transport refrigeration operations.
Product Overview
Thermo King refrigeration system fasteners ensure reliable mechanical joins in reefer trailers, refrigerated trucks, and transport refrigeration equipment. Part 552969 is a 5/16-18 UNC hex head screw with a 1 inch length, engineered to provide consistent clamping for panels, brackets, and component mounts used in fleet applications across West Texas.
Key Features & Customer Benefits
- Standard 5/16-18 Thread – Ensures compatibility with common Thermo King mounting points and industry-standard nuts or tapped holes for straightforward service.
- 1" Length – Provides dependable reach for medium-thickness assemblies while minimizing protrusion and interference.
- Hex Head Design – Enables secure torque with a wrench or socket for repeatable tightening and controlled clamp load.
- OEM Part Numbered – Part 552969 aligns with Thermo King parts cataloging for clear identification during maintenance and parts ordering.
- Fleet-Ready – Supports uptime and operational efficiency for fleets operating in Amarillo, Lubbock, Odessa, and the Permian Basin.
Product Details
| Part Number | 552969 |
| Description | Screw HH 5/16-18 x 1 |
| Thread Size | 5/16-18 UNC |
| Length | 1 inch |
| Head Type | Hex head (HH) |
| Typical Use | Fastening panels, brackets, and components in Thermo King transport refrigeration assemblies |
Thermo King specifies OEM fastener materials by application. For corrosion resistance and tensile requirements, reference Thermo King service documentation or contact West Texas Thermo King for material confirmation and recommended torque values for specific unit models.
Efficiency & Sustainability
Using OEM-specified fasteners like Part 552969 supports long-term equipment reliability and reduces rework. Properly secured components preserve airflow, seal integrity, and thermal performance across platforms such as Precedent and S-610 series, contributing to fuel-efficient cooling and predictable temperature control for sensitive freight. Where applicable, Thermo King compliance standards such as CARB Evergreen inform overall unit performance strategies.
Installation & Maintenance Tips
Install with the correct socket or wrench to achieve specified torque without head damage. Inspect fasteners during scheduled maintenance intervals and replace any that show thread damage or corrosion. Use OEM-compatible nuts, washers, and thread-locking recommendations from Thermo King service literature to maintain secure fitment.
Real-World Applications
Part 552969 is used throughout transport refrigeration: reefer trailers, multi-temp trucks, and diesel-direct electric refrigeration units where reliable mechanical fastening supports temperature control and cargo protection. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked 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 or visit https://www.trailerservicesofwesttexas.com/contact to reach the service department for confirmation.
Frequently Asked Questions
Q: Is this screw compatible with Thermo King Precedent units?
A: Yes. Part 552969 aligns with Thermo King fastener specifications and fits common mounting points found in Precedent-series assemblies when the 5/16-18 x 1 fastener is required.
Q: What is the recommended installation method?
A: Use a proper-sized socket or wrench and follow Thermo King torque specifications. Replace any fastener that shows thread wear or corrosion during routine inspections.
Q: How does this fastener support fleet uptime?
A: Using OEM-numbered fasteners reduces misfit, minimizes service time, and preserves component alignment—supporting reliable temperature control and reduced downtime.
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 Screw HH 5/16-18 x 1 (Part 552969), 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 Screw HH 5/16-18 x 1 (Part 552969) delivers OEM-grade fastening for temperature-critical assemblies. This hex head fastener supports secure connections across Thermo King refrigeration systems and helps maintain uptime for transport refrigeration operations.
Product Overview
Thermo King refrigeration system fasteners ensure reliable mechanical joins in reefer trailers, refrigerated trucks, and transport refrigeration equipment. Part 552969 is a 5/16-18 UNC hex head screw with a 1 inch length, engineered to provide consistent clamping for panels, brackets, and component mounts used in fleet applications across West Texas.
Key Features & Customer Benefits
- Standard 5/16-18 Thread – Ensures compatibility with common Thermo King mounting points and industry-standard nuts or tapped holes for straightforward service.
- 1" Length – Provides dependable reach for medium-thickness assemblies while minimizing protrusion and interference.
- Hex Head Design – Enables secure torque with a wrench or socket for repeatable tightening and controlled clamp load.
- OEM Part Numbered – Part 552969 aligns with Thermo King parts cataloging for clear identification during maintenance and parts ordering.
- Fleet-Ready – Supports uptime and operational efficiency for fleets operating in Amarillo, Lubbock, Odessa, and the Permian Basin.
Product Details
| Part Number | 552969 |
| Description | Screw HH 5/16-18 x 1 |
| Thread Size | 5/16-18 UNC |
| Length | 1 inch |
| Head Type | Hex head (HH) |
| Typical Use | Fastening panels, brackets, and components in Thermo King transport refrigeration assemblies |
Thermo King specifies OEM fastener materials by application. For corrosion resistance and tensile requirements, reference Thermo King service documentation or contact West Texas Thermo King for material confirmation and recommended torque values for specific unit models.
Efficiency & Sustainability
Using OEM-specified fasteners like Part 552969 supports long-term equipment reliability and reduces rework. Properly secured components preserve airflow, seal integrity, and thermal performance across platforms such as Precedent and S-610 series, contributing to fuel-efficient cooling and predictable temperature control for sensitive freight. Where applicable, Thermo King compliance standards such as CARB Evergreen inform overall unit performance strategies.
Installation & Maintenance Tips
Install with the correct socket or wrench to achieve specified torque without head damage. Inspect fasteners during scheduled maintenance intervals and replace any that show thread damage or corrosion. Use OEM-compatible nuts, washers, and thread-locking recommendations from Thermo King service literature to maintain secure fitment.
Real-World Applications
Part 552969 is used throughout transport refrigeration: reefer trailers, multi-temp trucks, and diesel-direct electric refrigeration units where reliable mechanical fastening supports temperature control and cargo protection. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked 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 or visit https://www.trailerservicesofwesttexas.com/contact to reach the service department for confirmation.
Frequently Asked Questions
Q: Is this screw compatible with Thermo King Precedent units?
A: Yes. Part 552969 aligns with Thermo King fastener specifications and fits common mounting points found in Precedent-series assemblies when the 5/16-18 x 1 fastener is required.
Q: What is the recommended installation method?
A: Use a proper-sized socket or wrench and follow Thermo King torque specifications. Replace any fastener that shows thread wear or corrosion during routine inspections.
Q: How does this fastener support fleet uptime?
A: Using OEM-numbered fasteners reduces misfit, minimizes service time, and preserves component alignment—supporting reliable temperature control and reduced downtime.
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.