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Found this in an old storage unit. I have no idea what it is.

I've never seen one so it's really hard to say without more pictures. It looks like the outer part (that looks like a skateboard wheel) spins because it has indents from being balanced. Do you know where it came from?

Did these come out of the unit full of circuit boards?

From Wikipedia:
Lear Siegler Incorporated (LSI) is a diverse American corporation established in 1962. Its products range from car seats and brakes to weapons control systems for military fighter planes. The company's more than $2 billion-a-year annual sales comes from three major areas: aerospace-technology, automotive parts, and industrial-commercial. The company, however, is basically anonymous, since its products are either unmarked or bear only the label "LSI". Lear Siegler went private in 1987. Unlike Lear, LSI does not produce executive jets that bear the "Lear" name.

Yes they did. There is a lot of stuff in there that I need identified. My dad dabbled in a few things.

I’m going to go out on a limb here, and say that perhaps those are some sort of gyroscope to aid in telemetry, direction etc.

I could be wrong, but I’d wager a small amount they’re gyroscopes.

Enjoy,

RustyFuryIII