80-20 Bolt Assembly,80-20, 10 Series,PK6 3356-6

Spiral Wound Flange Gasket, For Flange ANSI Class 300, 400, 600, For Pipe Size 2 1/2 in, Inside Diameter 3 1/4 in, Outside Diameter 5 1/8 in, Thickness 3/16 in, Rim Stripe Color Gray, Outside Rim Color Yellow, Filler Material Graphite, Outer Ring Material Carbon Steel, Minimum Operating Temperature -320 Degrees F, Maximum Operating Temperature 850 Degrees F, Spiral Winding Material Stainless Steel, Spiral Winding Stainless Steel Grade 304, Inner Ring Material None