Catalog > Electro-Mechanical Components > Fasteners Hardware > Electronic Hardware > Heatsink Insulators and Bushes Bush Bush A1201 Bush • for TO-3 • OutØ3.8mm, InØ3mm, Ht = 4.4mm Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features for TO-3 Additional Information Size OutØ3.8mm, InØ3mm, Ht = 4.4mm