6640-33-190-0642

Numbers with Item Name 20964 Dissecting Needle Page 1 of 1 6640-21-865-7161 Dissecting Needle 6640-33-190-0642

6640-21-865-3892 6640218653892 218653892 is a cylindrical vessel with a graduated height generally five times the inside diameter. the graduations are not less than 1 mm apart. if without a base, the vessel may be supplied with a holder which incorporates a base. excludes graduate, liquid, laboratory.

6640-21-858-9280 6640218589280 218589280 is a device, usually cylindrical in shape, composed of an internal tube surrounded by an outer jacket. the tube may be straight, coiled, repetitiously bulbous or indented and must have an inlet and outlet for the condensing vapors. the jacket must have an inlet and outlet, in the form of male side tubulations, for the regular flow of the coolant. used for condensing vapors to a liquid state in refluxing, extracting and distilling operations. excludes distilling column, fractionating.

Stock Items From Supply Class 6640 Page 1 of 3 6640-33-190-0642 Dissecting Needle 6640-33-000-8104 Electric