Description
O-Ring Seal – P/N 51300-258-B | Oracle 10490074-343
The O-Ring Seal P/N 51300-258-B (Oracle Part Number 10490074-343) is a precision sealing component used in various oilfield drilling equipment and industrial mechanical systems. O-rings are essential sealing elements designed to prevent fluid leakage between connected components operating under pressure.
This replacement O-ring is manufactured from high-quality elastomer materials, providing excellent resistance to oil, drilling fluids, pressure fluctuations, and temperature variations commonly encountered in oil & gas operations.
Reliable Sealing for Oilfield Equipment
In drilling and petrochemical equipment, proper sealing is critical for operational safety and system performance. The 51300-258-B O-Ring helps maintain tight sealing between components, preventing leakage and protecting internal systems from contamination.
Its durable construction ensures long service life even in demanding environments such as top drive systems, hydraulic assemblies, and mechanical sealing interfaces.
Key Features
- Part Number: 51300-258-B
- Oracle Part Number: 10490074-343
- Component Type: Industrial O-Ring Seal
- Designed for oilfield drilling equipment
- High resistance to oil, pressure, and temperature
- Reliable sealing performance
Applications
The O-Ring 51300-258-B is commonly used in oilfield drilling equipment, hydraulic systems, and industrial mechanical assemblies where dependable sealing is required to maintain system integrity and prevent leakage
Industrial O-Ring Applications
The O-Ring 51300-258-B is commonly used in oilfield drilling systems where reliable sealing performance is essential. O-rings are widely used in hydraulic systems, rotating equipment, pumps, valves, and mechanical assemblies to prevent fluid leakage and maintain system pressure.
In drilling operations, sealing components must withstand harsh environments including exposure to drilling fluids, pressure fluctuations, vibration, and temperature variations. High-quality elastomer O-rings such as P/N 51300-258-B provide reliable sealing performance that helps protect critical drilling equipment and extend service life.
The O-Ring 51300-258-B (Oracle 10490074-343) is manufactured to meet industrial standards and is suitable for use in oil & gas equipment, drilling systems, and heavy industrial machinery where dependable sealing is required.
Using the correct replacement O-ring is essential for maintaining equipment reliability and preventing operational downtime. Proper installation and routine inspection of sealing components can significantly improve system efficiency and reduce maintenance costs in demanding oilfield environments.
For official specifications of NOV Top Drive systems, visit the NOV website.
Why Choose Oil Well Direct?
Oil Well Direct supplies certified drilling equipment spare parts with:
-
17+ years oilfield supply experience
-
Ready stock availability
-
Competitive pricing
-
Fast global shipping
-
Technical sourcing support
Contact us today for pricing, availability, and delivery details.
Explore our full range of Top Drive Parts for additional compatible components.
Reviews
There are no reviews yet