Product Description
The Lincoln 432-30739-1 is a hose barb fitting made for connecting hoses in lubrication systems. It’s built by Lincoln Industrial, which is part of the SKF group – a company that’s been making lubrication parts for many years.
This fitting connects hoses securely in grease and oil delivery systems. It’s designed to handle high pressure without leaking, which is important because leaks waste lubricant and can damage your equipment. The fitting works with both automatic and manual lubrication setups.
Many industrial shops use these fittings because they’re reliable and last a long time. When your lubrication system works properly, your machines run better and break down less often. This saves you money on repairs and keeps production running smoothly.
The 432-30739-1 works with Lincoln’s other lubrication system parts, so you can build or upgrade your system using compatible components.
Technical Parameters
FITTING SPECIFICATIONS
Parameter | Details
-----------------------------|------------------------------------------
Part Number | 432-30739-1
Type | Hose Barb Fitting
Material | Steel (durable, high-pressure rated)
Pressure Rating | Up to 350 bar (5,075 psi)*
Application | Lubrication system hose connections
Compatible Hose Sizes | 6mm and 8.6mm outer diameter
Thread Type | Standard industrial threading
Construction | Corrosion-resistant finish
Temperature Range | Suitable for industrial environments
Installation | Standard wrench installation
How It’s Used
Manufacturing Plants
- Connect hoses in automatic grease systems
- Hook up oil lines to machinery
- Build centralized lubrication networks
- Maintain production equipment
Heavy Equipment
- Mining machines that run 24/7
- Construction equipment in tough conditions
- Farm equipment exposed to dirt and weather
- Trucks and heavy vehicles
Industrial Systems
- High-pressure plastic hose connections
- Grease manifold block installations
- Remote lubrication line setups
- Progressive lubrication distributors
Common Hose Types It Works With
- 6mm nylon tubing with compression fittings
- 8.6mm outer diameter plastic hoses
- High-pressure lubrication lines
- Standard industrial grease hoses
Why This Fitting Works Well
Reliable Connection
- Barb design grips hoses securely
- Steel construction handles high pressure
- Won’t corrode in most industrial environments
- Leak-proof design prevents waste
Easy to Install
- Uses standard tools
- Fits common hose sizes (6mm, 8.6mm)
- Works with existing Lincoln system parts
- No special training needed
Saves Money
- Prevents costly lubricant leaks
- Reduces equipment breakdowns
- Less maintenance downtime
- Longer lasting than cheap fittings
System Benefits
- Keeps proper pressure in lubrication lines
- Works with both grease and oil systems
- Compatible with Lincoln manifold blocks
- Supports remote lubrication setups
Installation and Maintenance
What You Need
- Standard wrenches
- Clean rags
- Thread sealant (recommended)
- Pressure gauge for testing
Installation Steps
- Make sure system pressure is off
- Clean all threads before connecting
- Hand-tighten first, then use wrench
- Don’t over-tighten – follow torque specs
- Test system pressure after installation
When to Check or Replace
- Look for leaks during monthly equipment checks
- Replace if you see cracks or wear
- Change every 2-3 years in normal use
- Replace sooner in high-pressure or continuous-use systems
Frequently Asked Questions
Q: What hose sizes does this fitting work with? A: It works with 6mm and 8.6mm outer diameter hoses, which are the most common sizes in industrial lubrication systems.
Q: How much pressure can it handle? A: Similar Lincoln fittings handle up to 350 bar (5,075 psi). Always check your system requirements and stay within safe limits.
Q: Can I use this with both grease and oil? A: Yes, it works with both. The steel construction and design handle different types of industrial lubricants.
Q: How long do these fittings last? A: In normal industrial use, expect 2-3 years. Heavy-duty or continuous operation may require more frequent replacement.
Q: Is it hard to install? A: No, it uses standard tools and threading. Most maintenance workers can install it without special training.
Q: What if it starts leaking? A: Check if it’s properly tightened first. If tightening doesn’t fix it, the fitting may be worn and need replacement.
Q: Does it work with other brands besides Lincoln? A: While designed for Lincoln systems, it may work with other brands if the threading and pressure ratings match. Check compatibility first.
Q: Where can I buy replacement parts? A: Through Lincoln distributors, industrial supply companies, and online parts retailers. Have the part number (432-30739-1) ready when ordering.
Compatible System Components
Works Well With
- Lincoln Remote Grease Manifold Blocks
- 6mm Nylon Tube with Compression Fittings
- Grease Fittings and Elbow Adapters
- DRB-P Electric Grease Pumps
- 3L Lubrication Pumps
System Applications
- Centralized grease delivery
- Progressive lubrication systems
- Remote lubrication setups
- Manual and automatic systems
Getting the Right Part
What to Know Before Ordering
- Part Number: 432-30739-1
- Your system pressure requirements
- Hose outer diameter (6mm or 8.6mm most common)
- How many fittings you need
- Local distributor or supplier contact
Installation Support
- Check Lincoln’s technical documentation
- Contact your distributor for help
- Many suppliers offer installation guidance
- Keep spare fittings for quick repairs
This fitting is designed for industrial use. Always follow proper safety procedures and system specifications when installing or maintaining lubrication equipment.
Related lubrication resources
Lubrication accessories · Grease line fittings · Grease line tubing guide
Selection Guide: Cross-reference this swivel hose barb with all Lincoln/SKF hose fittings in our Lubrication Tubing & Hose Selection Guide — barb, stud, and push-in connection types for centralized lubrication line assembly.
Before you buy: read our grease fitting types guide.






