A reusable hose-end fitting that screws onto the hose and threads to 3/8″ male NPT — no crimping needed. The Foster 4B5 accepts 1/4″ ID hose (9/16″ OD) and lets you build or repair air-hose ends in the field. Brass construction.
Specifications
- Brand: Foster
- Series: Reusable Hose Fittings
- Part Number: 4B5
- Type: Non-swivel reusable hose adapter
- Hose ID: 1/4″
- Outside Diameter: 9/16″
- Thread: 3/8″ Male NPT
- Material: Brass
- Connection: Screw-on reusable (requires hose clamp)
- Quantity: 1pc
- Origin: Made in USA
Why this fitting
- Reusable, no crimp — which means you assemble and re-use it on fresh hose with simple hand tools, no crimping machine.
- 1/4″ hose ID fit — which means a correct match for 1/4″ ID air hose (9/16″ OD).
- 3/8″ male NPT thread — which means it threads directly into couplers, plugs, or tools.
- Brass build — which means durable, corrosion-resistant performance.
Frequently asked questions
What is a reusable hose fitting?
A hose-end adapter you screw onto the hose by hand instead of crimping — so it can be removed and reused on new hose. Ideal for field repairs.
Does it need a hose clamp?
Yes — secure the hose to the barb with a hose clamp for a reliable connection.
A handy accessory for assembling and repairing air hose assemblies. Why buy from hpcouplers: Foster quality, responsive US-based support, accurate specs, fast shipping.
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