4 1/2" X 3 1/2" (114mm X 88mm)
(ear embossed) "B in an O" {Ohio Brass}
Picture courtesy Shaun Kotlarsky |
U-647A: USA
4 1/2" X 3 1/2" (114mm X 88mm)
(ear embossed) "B in an O" {Ohio Brass}
Picture courtesy Shaun Kotlarsky |
U number assignment by Jack Tod
Return to the National Insulator US Unipart page