This PTFE - Teflon® O-Ring has a diameter of  mm and is White in color. The hardness of this O-ring 42x1.78 - PTFE - Teflon® - FDA - 58 Shore D - White - ORS314337 is 58 Shore D. Alternative names for the compound are TEFLON®, and it is commonly produced by Teflon - Dyneon - Fluon - Hastaflon - Algoflon - Inoflon. The O-Ring is typically used in and has an operating temperature range from -260 ºC to 200 ºC. O-Rings 497798 are referred to as 314337 and have a DIN 3771 size of . This item is equivalent to and has an FDA approval. The chemical name of this O-Ring is Polytetrafluoroethyleen.