| Also known as | E4329 |
| Diagram | Fig. 21 — PANELS AND TWINSEAT · ref 15 |
| Subsystem | bodywork |
| Listed in parts books | 1964–1965 |
Domed nut
A domed acorn-style nut used in the panels and twinseat fastening, later superseded by 70-1435.
This is a domed nut used in the panels and twinseat area, per the parts book listing for that section. It shows up in the catalog under the number 70-4329, with E4329 as the older-style alias for the same part, so if your parts book is from an earlier printing you may see it listed that way.
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Domed nuts like this one are used where you want a finished look on the outside face of a fastener, covering the exposed thread end so it doesn't catch or look raw. Given the figure it appears in, it's tied to seat or side panel fastening rather than anything structural on the engine or frame.
The catalog shows this part was later superseded by 70-1435, so if you're chasing stock or cross-checking a parts diagram and come up with that number instead, it's the same nut under Triumph's later numbering. Appearances in the books run 1964-1965, so check that against your bike before ordering.
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