| Diagram | Fig. 10 — TIMING COVER AND CONTACT BREAKER · ref 3 |
| Subsystem | engine bottom |
| Listed in parts books | 1974, 1976–1980, 1983, 1985 |
| Also fits (as replacement) | 1960–1962, 1964–1971 · for D208-5 |
Hammer-drive screw . . . .
A small hammer-drive screw used to fix plates such as patent/data plates to the timing cover, gearbox inner cover, or frame.
This is a hammer-drive screw, part number 60-4255, also carried under the old factory number D208-5 and the alias 91654A054. Catalog entries put it on the timing cover, the gearbox inner cover, and the frame, most often tied to fixing plates in place - the kind of small fastener used to hold a nameplate or patent/data plate rather than to bear any real mechanical load.
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Because it's a drive screw rather than a machine screw, there's no wrench or driver work involved - it's driven straight in and stays put. It shows up across a run of catalog years, so it's a part that stuck around in the parts books for a long stretch without much change.
If you're chasing this one down for a gearbox cover or a data plate on the frame, it's worth having a couple on hand since these are easy to lose or damage when removing an old plate. Call the shop if you want to confirm which figure your application matches before ordering.
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