Backup Rings Websites:
jroyal.com
JRoyal - Seals and Engineered Products
Distributor of O-rings, Minnesota Quad Rings®, Hydraulic Seals, U-cups, Piston Cups, Vee Packings, Wipers, Lathe Cuts, Teflon products, Teflon Spring Loaded & Teflon Oil Seals,...
gsfplastics.com
GSF Plastics - Thermoplastic Materials
GSF Plastics offers many engineered materials, PEEK is by far the highest performing plastic.