Gasket Type: Spiral Wound Gasket
Thickness: 0.1750"
Material: Stainless Steel
Diameter: 4" "
Outside Diameter (Metric): 181.102 mm
Class: 300
Inside Diameter: 4.19"
Outer Ring Material: Carbon Steel
Winding Material: 304 Stainless Steel
Filler/Binder Material: Flexible Graphite
Material: Metal
ASME B16.20