Brass Hose Barb 90° Elbow – 5/8" Hose x 1/2" MPT Hose Fitting
Part Number: 4866
Category: Pressure Washer Parts & Accessories → Pressure Washer Fittings → Hose Barb Fittings
Type: Brass Hose Barb 90° Elbow – 5/8" Hose x 1/2" MPT Hose Fitting
The Brass Hose Barb 90° Elbow (Part #4866) is a durable 90-degree hose fitting designed to connect 5/8-inch inside diameter hose to 1/2-inch male NPT (MPT) threaded plumbing while changing the direction of fluid flow by 90 degrees. Manufactured from solid brass, this fitting offers excellent corrosion resistance, dependable sealing performance, and long service life for pressure washing, soft wash, agricultural, industrial, and general water transfer applications.
Key Features & Benefits
- Part Number: 4866
- Solid brass construction
- 5/8" hose barb
- 1/2" MPT male threaded connection
- 90-degree elbow design
- Corrosion-resistant brass construction
- Reduces hose kinking and bending
- Provides a secure hose-to-thread connection
- Compatible with standard hose clamps or crimp sleeves
- Ideal for commercial, industrial, agricultural, and general plumbing applications
Technical Specifications
Part Number: 4866
Product Type: 90° Hose Barb Elbow
Material: Brass
Hose Connection: 5/8" Hose Barb
Thread Connection: 1/2" MPT
Angle: 90°
Compatible Applications
Ideal for use with:
- Pressure washer supply plumbing
- Soft wash systems
- Water transfer systems
- Agricultural sprayers
- Irrigation equipment
- Industrial washdown systems
- Chemical application systems (compatible fluids)
- Utility equipment
- General-purpose plumbing
- Replacement hose connections
Function of the Hose Barb Elbow
The 4866 Brass Hose Barb 90° Elbow connects flexible hose to threaded plumbing while redirecting the hose path through a 90-degree angle. It helps to:
- Connect 5/8" hose to 1/2" female NPT fittings
- Reduce hose stress and kinking
- Improve plumbing layout in confined spaces
- Maintain consistent fluid flow
- Provide a durable, leak-resistant connection
The hose barb securely grips the hose when properly installed with a compatible hose clamp or crimp sleeve.
Common Signs Replacement Is Needed
Replace the fitting if you notice:
- Corrosion or discoloration affecting performance
- Damaged hose barb
- Stripped or damaged threads
- Cracks or physical damage
- Persistent leaks at the hose or threaded connection
- Loose hose fit due to barb wear
Replacing a worn fitting helps maintain a secure, leak-free plumbing system.
Installation & Service Notes
Turn off the system and relieve all pressure before installing the fitting.
Slide the 5/8" hose completely over the hose barb and secure it using an appropriately sized hose clamp or crimp sleeve. Apply an approved PTFE thread seal tape or compatible thread sealant to the 1/2" MPT threads, then thread the fitting into a compatible 1/2" female NPT (FPT) connection. Tighten securely and inspect the assembly for leaks before placing the system into operation.
Important: Always verify compatibility with your hose size, threaded fittings, operating pressure, and application before installation. Use only with fluids compatible with brass components.
Maintenance Recommendations
- Inspect periodically for corrosion, wear, or thread damage.
- Check hose clamps regularly to ensure a secure connection.
- Inspect the hose barb for wear or deformation.
- Keep threaded connections clean and free of debris.
- Replace the fitting if leaks, cracks, or excessive wear are observed.
- Reapply thread sealant whenever the fitting is removed and reinstalled to maintain a leak-free seal.
