5405-20-20 Hydraulic Fitting 1-1 4" Male NPT x 1-1 4" Female NPT Straight

Description:

The 5405-20-20 Hydraulic Fitting is used in hydraulic fluid power systems to provide a straight threaded connection between components with matching pipe thread sizes while maintaining a secure, leak-resistant seal. Commonly installed in hydraulic power units, industrial machinery, mobile equipment, and fluid transfer systems requiring a 1-1/4 in Male NPT to 1-1/4 in Female NPT adapter connection. Maintenance teams and hydraulic technicians use this fitting for system repairs, plumbing modifications, and replacement of worn or damaged hydraulic connections.

Applications:

The 5405-20-20 hydraulic fitting is designed for connecting hydraulic hoses, valves, pumps, cylinders, manifolds, and piping assemblies in fluid power systems. It is commonly used in construction equipment, agricultural machinery, manufacturing plants, hydraulic power units, and industrial process equipment where a straight-through NPT connection is required. The fitting provides reliable fluid transfer while simplifying installation, maintenance, and system reconfiguration.

Technical Specifications:

• Manufacturer Part Number (MPN): 5405-20-20
• Product Type: Hydraulic Adapter Fitting
• Configuration: Straight Adapter
• End Connection 1: 1-1/4 in Male NPT
• End Connection 2: 1-1/4 in Female NPT
• Thread Type: NPT (National Pipe Thread)
• Function: Hydraulic Line Connection
• Flow Path: Straight Through
• Application: Hydraulic Fluid Transfer Systems
• Material: Steel (typical for hydraulic service)
• Pressure Rating: Application Dependent
• Mounting Type: Threaded Installation
• Compatible Media: Hydraulic Oil and Industrial Fluids
• Industry Applications: Construction, Agriculture, Manufacturing, Fluid Power Systems
• Operating Environment: Industrial and Mobile Hydraulic Equipment

Common Replacements:

• Parker 5405-20-20 Hydraulic Adapter
• Weatherhead 5405-20-20 Pipe Adapter
• Brennan Straight NPT Adapter