Heavy-duty ring terminal for 4 AWG
The 1-331421-0 is a heavy-duty insulated ring terminal from the TE Terminyl series, accepting 4 AWG wire with a 5/16 stud size. The tin-plated copper contact and serrated termination provide a reliable crimp connection for free-hanging (in-line) installations.
Physical dimensions and insulation
The terminal has an overall length of 1.907" (48.44 mm), a width at outer edges of 0.679" (17.25 mm), and a material thickness of 0.091" (2.31 mm). The insulation accommodates a wire insulation diameter up to 0.443" (11.25 mm).