I really don't know about your model but on later models I've seen one like this that fastened to the torque tube and E-brake. .....and others a similar spring hooked to the chassis and to the clutch arm at bellhousing.....Mind you I'm just guessing!!!
1937 Chevy 1/2 ton Pickup 1950 Chevy Styleline Deluxe Coupe 1953 Chevy 1/2 ton Panel Delivery
I'd rather walk and carry a Chevy hubcap than ride in a Ferd.
That's the front brake return spring for a 1928 LP 1 ton truck.The small end hooks onto the front brake pull rod clevis,the large end simply hooks into a hole that's punched into the chassis.