Collins Filament Transformer Posted on January 29, 2021January 29, 2021 by WA3QVU -/3 by WA3QVU Published: January 29, 2021 (1 month ago) $5.00 Location Willow Grove Collins Radio Co. Filament Transformer Part No 672-0006-00 Pri 115-230v 50/60 cps Sec 5v CT at 6.0 Amps 6 Mounting holes on 2 flanges (see pic) 1-7/8 and 2-3/4 x 3-7/8 2 available $5 ea Show Contact Information