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Tucks Performance

AN to NPT Adapter Fitting AN4 AN6 AN8 AN10 AN12, Male Straight, 2 Pack

AN to NPT Adapter Fitting AN4 AN6 AN8 AN10 AN12, Male Straight, 2 Pack

Regular price $17.99
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The most-used adapter in the shed. Screws into an NPT port on a pump, carb, filter, oil cooler or block, and gives you a male AN flare to hook a hose end to.

  • AN4 to AN12 male flare
  • 1/8", 1/4", 3/8", 1/2" and 3/4" NPT (see options)
  • Thread sealant on the NPT side only
  • 2 pack

AN size chart

Size Tube / hose size Approx. mm Thread
AN4 1/4" 6.4 mm 7/16"-20
AN6 3/8" 9.5 mm 9/16"-18
AN8 1/2" 12.7 mm 3/4"-16
AN10 5/8" 15.9 mm 7/8"-14
AN12 3/4" 19.1 mm 1-1/16"-12

Frequently asked questions

Are AN and NPT the same?
No. AN is a straight thread that seals on a 37 degree flare. NPT is a tapered pipe thread that seals on the thread itself with sealant. You need an adapter to go from one to the other.

Does Australia use BSP or NPT?
Both turn up. Most American engine parts, gauges, pumps and senders are NPT, while some local and Euro gear is BSP. Check your port before you order, they do not interchange.

Do AN fittings need thread tape or sealant?
No. The seal is made on the 37 degree flare, not the thread, so keep tape and sealant off the AN side. Only the NPT (tapered pipe) end of an adapter needs sealant.

Quality and warranty

  • Made in China, precision CNC-machined from solid aluminium, not cheap cast or pot-metal fittings
  • Tough anodised finish, clean threads and true 37 degree flares that seal properly
  • 2-year repair or replacement warranty against defects in materials and workmanship, on top of your rights under Australian Consumer Law
  • Sold and backed by Tucks Performance, an Australian-owned business. Not sure what you need? Send us a message

Delivery: ships direct from our supplier partner, usually 10 to 20 days.

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