#100 look like receptacles for Zues fasteners. I've never seen them on a Stovebolt.

#200 and #300 look similar.

The second picture shows a washer that I believe goes on the shift rod pivot on the bell housing.

The third pic shows the nutplates that go on the glove box liner.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.