| Also known as | H691 |
| Diagram | Fig. 17 — NACELLE HEADLAMP AND SWITCHES · ref 10 |
| Subsystem | electrical |
| Listed in parts books | 1960–1967 |
NUT NACELLE FLASHING 5BA
A 5BA nut used in the nacelle headlamp and switches assembly.
This is a small 5BA nut used in the nacelle assembly on the headlamp shell, specifically tied to the flashing/turn signal wiring or mounting hardware inside the nacelle. The catalog places it in the NACELLE HEADLAMP AND SWITCHES figure, so it lives up front where the headlamp shell houses the switches and instruments. Its legacy part number was H691 before the modern numbering system took over.
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Our records show this nut appearing on one catalog line tied to 1966, so treat it as a small hardware item specific to that nacelle setup rather than something with wide, multi-year coverage. If you're rebuilding a nacelle assembly and a 5BA nut has gone missing or rusted out, this is a cheap item to keep on the bench.
We don't have much more detail on this one beyond what's in the parts book. If your nacelle looks a bit different from what you'd expect, give us a call and we'll confirm fitment before you order.
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