Ring terminal for #8 stud, 16-22 AWG
The 8-31890-1 is a #8 stud-size ring terminal from the TE Connectivity PIDG series, accepting 16-22 AWG wire with a tin-plated copper contact and a red polyamide insulation sleeve. The terminal is 0.031" (0.79mm) thick, has an overall length of 0.844" (21.44mm), and an outer-edge width of 0.312" (7.92mm). The insulation accepts wire diameters from 0.105" to 0.140" (2.67mm to 3.56mm).
Stud-size selection across the PIDG series
Within the PIDG series, the 8-31890-1 uses an #8 stud, while the 8-36154-5 uses a #10 stud — both share the same 0.312" (7.92mm) outer width and 0.844" (21.44mm) length. The 8-31886-1 also uses an #8 stud but has a narrower 0.281" (7.14mm) width and shorter 0.797" (20.24mm) length. The 32456 uses an #8 stud with a 0.343" (8.71mm) width and 0.879" (22.33mm) length.
