Includes
Glass Rods, Bars, and Tubing; Optical Glass Blanks; Structural and Building Glass; Glass Blocks.

Excludes
Insulators (FSC 5970); Ophthalmic Glass Blanks (FSC 6540); and Cable, Fiber Optics (FSCs 6015 and 6615).

Possible NAICS Codes
327215 – Glass Product Manufacturing Made of Purchased Glass
333618 – Other Engine Equipment Manufacturing
238150 – Glass and Glazing Contractors
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
332510 – Hardware Manufacturing
327212 – Other Pressed and Blown Glass and Glassware Manufacturing
326199 – All Other Plastics Product Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
488190 – Other Support Activities for Air Transportation