bd 303L-303100. 3-way stopcock with extension . L-303100. Set Length 105 cm ; Priming Volume 7.42 ml ; Bore 3 mm ; 1 Blue Stopcock Handle(s) 1 Female Luer(s) 1 Male Luer(s) PolyvinylDescription: isc Silicon NPN Power Transistor. 3 Results. Part #: BD303N. Datasheet: 1MbKb3P. Manufacturer: Thinki Semiconductor Co., Ltd..