This is a mechanical seal made by Durametallic, Model Dura Seal 52845.  We have three of these units left and one has a black gasket instead of a Teflon gasket.

• This is an unused by Durametallic, in original shelf worn box
• Inside or outside RO
• Includes spec sheet and silicon lube
• 1.875 shaft size
• Seal ring: 316 SS and tungsten carbide
• Compression unit, gland ring, all pins and screws: 316 SS
• Insert: #5 carbon
• Gaskets: 1 Duraflon, 1 DMC 340
• Shaft pack: Viton