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Shop/Category/Fig. 13 — EXHAUST PIPES & SILENCERS/Brass nut
Brass nut
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DiagramFig. 13 — EXHAUST PIPES & SILENCERS · ref 27
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Listed in parts books1983

Brass nut

A brass nut used in Triumph air cleaner/side panel and exhaust pipe hardware, per the parts books.

PN · 21-7138

This is a brass nut listed in the Triumph parts books, showing up in both the air cleaner/side panel section and the exhaust pipes & silencers section. That dual appearance suggests it's a small fastener used in more than one spot on the bike rather than something tied to one specific bracket or clamp.

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Brass gets picked for spots where you want a nut that won't seize or corrode easily and doesn't need to carry huge torque - common around exhaust hardware where heat and road grime tend to lock up plain steel fasteners over time.

Our catalog record doesn't spell out thread size or which exact bolt or stud it mates to, so if you're matching this to a specific clamp or bracket on your machine, bring the old part in or give us a call before ordering.

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