| Diagram | Fig. 13 — SWINGING FORK AND SUSPENSION UNITS · ref 24 |
| Subsystem | engine top |
| Listed in parts books | 1960–1962, 1964–1970 |
Plain washer
A plain washer used across multiple Triumph assemblies including cylinder head, suspension, and bodywork fasteners.
GS308 is a plain washer that shows up across a wide range of Triumph parts book listings — cylinder block and head assemblies, swinging fork and suspension units, panels and twinseat mounting, even the speedometer and tachometer drive. That spread tells you this is a general-purpose washer Triumph used in more than one spot rather than something dedicated to a single job.
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Because it turns up under so many different figures, exactly where a given GS308 sits depends on which assembly you're working on. Our catalog record ties it to cylinder head work on the 3TA, 5TA, 6T, T90, and T100 family figures as well as suspension and bodywork sections, but it doesn't specify a single fitment.
If you're chasing one down for a rebuild, have the parts book page open so you can confirm you're pulling the right washer for that particular fastener — a plain washer like this one is cheap insurance to have a few spares of on the bench regardless of which job it's going into.
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