(5 Pairs) 1" NPT Cap & Plug Hydraulic Fitting # 5406C-16 5406P-16

Description:

The 5406C-16 and 5406P-16 Hydraulic Cap and Plug Set is used in hydraulic and fluid power systems to temporarily or permanently seal unused ports, hoses, valves, and fittings to prevent fluid leakage and contamination. Commonly installed in hydraulic power units, mobile equipment, industrial machinery, and maintenance operations requiring 1 in NPT threaded port protection. Maintenance teams and hydraulic technicians use these caps and plugs for system repairs, equipment storage, contamination control, and replacement of damaged sealing components.

Applications:

The 5406C-16 cap and 5406P-16 plug are designed for sealing hydraulic ports and threaded connections during equipment operation, maintenance, transport, or storage. They are commonly used on hydraulic cylinders, pumps, valves, manifolds, hoses, and power units in construction equipment, agricultural machinery, manufacturing facilities, and industrial fluid power systems. By preventing the ingress of dirt, moisture, and debris, these fittings help maintain hydraulic system cleanliness and reliability.

Technical Specifications:

• Manufacturer Part Number (MPN): 5406C-16 / 5406P-16
• Product Type: Hydraulic Cap and Plug Set
• Quantity: 5 Pairs
• Cap Size: 1 in Female NPT
• Plug Size: 1 in Male NPT
• Thread Type: NPT (National Pipe Thread)
• Function: Port Sealing and Contamination Protection
• Application: Hydraulic and Fluid Power Systems
• Material: Steel (typical industrial construction)
• Configuration: Threaded Cap and Matching Plug
• Compatible Equipment: Pumps, Valves, Cylinders, Manifolds, Hydraulic Hoses
• Operating Media: Hydraulic Oil and Industrial Fluids
• Industry Applications: Construction, Agriculture, Manufacturing, Mining
• Installation Method: Threaded Connection
• Operating Environment: Industrial and Mobile Hydraulic Equipment

Common Replacements:

• Parker 5406C-16 / 5406P-16 Cap and Plug
• Brennan NPT Cap and Plug Set
• Weatherhead Hydraulic Port Cap and Plug Set