Useful Information

Key Features / Tech Specs:

  • Manufactured by John Guest
  • Metric tube x Metric coupling
  • Pressure rated to 16 bar
  • Maximum temperature: 65°C

Useful Info:

Product Code To Suit Hose O.D (mm) Thread Max. Bar up to 20°C Max. Bar at 65°C
381593 4 M5 16 10
381595 5 M5 16 10
381597 6 M5 16 10


These couplings have a push-in tube end suited to tubing with an outer diameter of 4mm to 8mm while the threaded end has an M5 diameter.

These brass tube x M5 metric threaded end fittings are designed to be hand tightened and can be used within compressed air or pneumatic flow or vacuum systems.

Tube inserts must be used with pneumatic applications where pressures are in excess of 10 bar; you should not exceed 16 bar. Suitable for use with Polyethylene, Polyurethane, Nylon tubing as well as soft metal tubings such as copper or mild steel.

If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.


Grouped product items
CodeProduct NameList PriceYou SaveYou Pay Quantity
381607JG Brass Straight Adaptor x Male Metric 4mm x M5 £2.60 30% £1.82
381608JG Brass Straight Adaptor x Male Metric 5mm x M5 £2.60 30% £1.82
381609JG Brass Straight Adaptor x Male Metric 6mm x M5 £2.85 30% £2.00