FKM Standard Size O-Rings

Request A Quote

FKM (or Fluorocarbon) & knowns as Viton recommended for 

  • FKM (or Fluorocarbon) also known as Viton™, a registered trademark of The Chemours Company, works for almost every application.
  • It can withstand temperatures from -25-degrees F up to 400-degrees F.
  • It has a good resistance to ozone, high temperatures, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic solvents and chemicals.



Standard or Imperial sizes come in fractions of an inch.

DownloadsAvailable Materials for O rings.pdf, O-Ring Size Chart

SKUID (Inner Diameter)OD (Outer Diameter)Cross SectionMaterial 
17-44-FKM-750.0440.0780.017Black FKM-75Quote
18-81ES-FKM-750.0810.1170.018Black FKM-75Quote
2-001-FKM-751/323/321/32Black FKM-75Quote
2-001-FKM-75-BR1/323/321/32Brown FKM-75Quote
2-001-FKM-901/323/321/32Black FKM-90Quote
2-002-FKM-753/647/641/32Black FKM-75Quote
2-002-FKM-903/647/641/32Black FKM-90Quote
2-003-FKM-751/165/323/64Black FKM-75Quote
2-003-FKM-75-F1/165/323/64F-Type FKM-75Quote
2-003-FKM-901/165/323/64Black FKM-90Quote
2-004-FKM-6-BR5/6413/641/16Brown FKM-60Quote
2-004-FKM-755/6413/641/16Black FKM-75Quote
2-004-FKM-75-BR5/6413/641/16Brown FKM-75Quote
2-004-FKM-905/6413/641/16Black FKM-90Quote
2-004-FKM-90-BR5/6413/641/16Brown FKM-90Quote
2-005-FKM-753/327/321/16Black FKM-75Quote
2-005-FKM-903/327/321/16Black FKM-90Quote
2-006-FKM-751/81/41/16Black FKM-75Quote
2-006-FKM-75-BR1/81/41/16Brown FKM-75Quote
2-006-FKM-80-BR1/81/41/16Brown FKM-80Quote
Showing 20 of 1022Show All

Get A Quote


If you have any questions, please fill out the form below and a Rocket Seals technical expert will get in touch with you shortly.

Yes, sign me up.

Need O-Rings or Other Seals Fast?


Rocket Seals is the leading distributor for O-Rings and many other seals.

Request a quote and have it shipped the same day!

Request A Quote