Radium Acorn Nuts - Anodised Aluminium, 15-Pack

Replacement black anodised aluminium acorn nuts for Radium Engineering fuel pump hangers, fuel surge tanks, fuel cells, and other components. Prior to 2020, Radium supplied 10-32 threaded acorn nuts manufactured from nylon. These updated nuts are CNC-machined from billet aluminium and Type-II anodised black to prevent electrical conductivity — a direct upgrade in durability and longevity over the original nylon units.

Pack Contents: 15x anodised aluminium acorn nuts

Specifications

• Thread: 10-32
• Material: Billet aluminium
• Finish: Type-II anodised black (non-conductive)
• Quantity: 15-pack

Compatible Applications

• Radium Engineering fuel pump hangers
• Radium Engineering fuel surge tanks (FST / FST-R)
• Radium Engineering fuel cells (FCST)
• Other Radium components using 10-32 threaded electrical studs

Part Number:

• 20-0506 — Radium Acorn Nuts, Anodised Aluminium, 15-Pack

Why Radium Engineering?

• ✅ Manufactured in the USA to motorsport-grade tolerances
• ✅ CNC-machined billet aluminium components built for performance and longevity
• ✅ Trusted by high-power build tuners and race teams worldwide
• ✅ Direct upgrade over OEM nylon nuts — improved durability and short-circuit protection
• ✅ Compatible with all Radium fuel system components using 10-32 threaded electrical studs