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Shop/Category/Fig. 11 — OIL TANK, SIDECOVERS, SILENCER/NUT,1/4 REDUCED HEX
NUT,1/4 REDUCED HEX
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Also known asM21-1837
DiagramFig. 11 — OIL TANK, SIDECOVERS, SILENCER · ref 41
Subsystemengine bottom
Listed in parts books1969

NUT,1/4 REDUCED HEX

A 1/4 inch reduced hex nut, part number 21-1837.

PN · 21-1837
Available in 3 sizes:

This is a 1/4 inch reduced hex nut, listed in the catalog under part number 21-1837. It's a small hardware item used in various spots on Triumph motorcycles where a standard hex nut is too bulky for the clearance available, so the corners get trimmed down to a smaller profile.

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We don't have more detail on this one beyond the basic description. If you're trying to match up a fastener on your bike, give us a call and we'll help confirm it's the right nut before you order.

$8.49
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Ed is at the counter. Tell him what you're working on or what doesn't fit, and he'll take it from there with this part already on the bench.