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At a Glance; 1/8" BSP female thread to 5mm hose tail fitting for airbrush air line connections
Small fitting, big job. The AirCraft SG-BD51-52 Hose Tail is a practical connector designed to join a 5mm air hose to a 1/8" BSP threaded connection. Whether you’re replacing a worn hose end, building a custom airbrush line, or sorting out a neat pneumatic connection, this hose tail adaptor gives you a clean, serviceable way to route air where it needs to go—without unreliable “make-a-plan” fixes.
Simple hose-to-thread adaptor for reliable air line setup
The 5mm hose tail (barb) grips the inside of suitable air hose, while the 1/8" BSP female thread mates with compatible airbrush adaptors, valves, or air line fittings.
Extra Information
Use a suitable hose clamp on the 5mm hose tail for a more secure connection (especially on higher-pressure setups).
Confirm your hose inner diameter is 5mm for the best grip and seal.
1/8" BSP is not the same as 1/8" NPT—always match thread standards to prevent leaks or cross-threading.
Pro Tip
Warm the end of the hose slightly (hot water works well) before pushing it onto the barb—easier fitment and a tighter seal once cooled.
Features
1/8" BSP female thread Designed to suit common airbrush and pneumatic fittings using 1/8" BSP.
5mm hose tail For connecting to compatible 5mm internal diameter air hose.
Compact replacement part Ideal for repairs, hose rebuilds, and custom air line setups.
Benefits
Restores reliable connections: Replace damaged hose ends and reduce leaks that cause pressure drop and inconsistent spraying.
Cleaner, safer hose setups: Proper fittings help prevent hoses popping off under pressure when correctly clamped.
Safety
Wear eye protection when working with compressed air fittings and clamps.
Depressurise the air line before removing or installing hose fittings.
Use a proper clamp and inspect the hose for cracks or hardening before reassembly.
Do not overtighten threaded connections—small fittings can strip or crack if forced.
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