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> Corning pyrex 4 mm stopcock straight bore 7280 4MM
Corning pyrex 4 mm stopcock straight bore 7280 4MM
This listing is for one (1) Corning stopcock, 4mm, straight bore. Corning catalog number 7280-4SO; Pyrex brand. These stopcocks are new, have never been used and in manufacturer's original packaging.
* Plug bore: 4 mm (approximate)
* Length: 255 mm (approximate)
* Sidearm O.D.: 10 mm (approximate)
* Stopcock plug not included
Closely controlled grinding techniques allow this general use stopcock to be used at pressures down to 10{-4} torr (mm Hg) when correctly greased.
