Description
Half thickness gasket (O ring type) Material – Silicone Compatible with rigid or Twistflex waveguide and NJR Ku LNBs (for groove to flat flange connection) Ku-Band WR75 HALF gaskets (O ring type) use with WR75 flanges on Ku BUCs, Twist Flex Waveguide, and NJR Ku LNBs (For Groove to Flat Connection)
https://www.satellitedish.com/waveguide-gasket.pdf