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Brass Nut for Brake/Throttle Linkage Fitting
61A3 Brass Nut
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Brass Nut for Brake/Throttle Linkage Fitting

Part Number: 61A3
Online Price: $0.99
61A3 Brass Nut for Brake or Throttle Linkage Fittings
Availability: In Stock.

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Description

61A3 Brass Nut for Brake or Throttle Linkage Fittings


The 61A3 Brass Nut is a direct replacement for the compression fitting nuts used with 68A-3A and 69A-3A brass brake and throttle fittings. Commonly found in MCP brake systems and many aftermarket throttle linkage setups, this nut is designed to securely clamp 3/16" nylon brake lines or throttle cables in small engine and motorsports applications.


Ideal for use on:

  • Racing Go-Karts
  • Junior Dragsters
  • Racing Lawn Mowers
  • Mini Bikes
  • Custom Small Engine Builds

Whether you're performing regular maintenance, replacing a worn component, or assembling a new chassis, the 61A3 brass nut ensures a reliable, leak-free seal when paired with the appropriate ferrule and fitting.

FAQ

Q1: What is the 61A3 brass nut used for?
A: It is used to secure 3/16" nylon tubing in MCP brake systems or throttle linkages. It threads onto 68A-3A and 69A3A brass compression fittings.


Q2: What vehicles or systems is it compatible with?
A: It's commonly used in racing go-karts, junior dragsters, mini bikes, racing lawn mowers, and other small engine performance vehicles.


Q3: Do I need a ferrule with this nut?
A: Yes. This nut works with brass ferrules that crush around the tubing to create a seal when tightened.


Q4: Can I reuse this nut?
A: While brass nuts can be reused, it’s recommended to inspect them for wear or thread damage and replace as needed—especially during brake line or throttle system maintenance.


Q5: What size line does it fit?
A: It is designed specifically for 3/16" nylon tubing.

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