17 Powder Hill Road, Lincoln, RI 02865 401.334.6870

O-Rings, Niantic


The O-Ring is one of the simplest, yet most engineered, precise, and useful seal designs. With over 60 years of O-Ring application experience, Niantic delivers sealing solutions by applying extensive technical expertise and our fabrication capabilities. Whether standard or customized sealing applications, Niantic will deliver the right O-Ring.

  • Standard and Metric Size 
  • Quad Ring
  • X-Ring
  • V-Ring
  • Square Cut
  • Lathe Cut
  • Spliced Ring
  • Spacer and Washers


Material selection is based on chemical compatibility, temperature range of application, sealing pressures, lubrication requirements, application service life, quantity and price.


Niantic offers a broad range of elastomeric compounds that meet these specifications industry specifications including: ASTM, NSF 61, UL, USP Class VI, MIL-SPEC, SAE

  • Buna-N/Nitrile (NBR)
  • Ethylene-Propylene (EPDM)
  • Chloroprene/Neoprene (CR)
  • Polyurethane (AU)
  • Fluorocarbon/VITON® (FKM)
  • Fluorosilicone (FMQ, FVMQ)
  • Hydrogenated Nitrile (HNBR)
  • Natural Rubber
  • Perfluoroelastomer Elastomer (FFKM)
  • PTFE
  • Silicone (VMQ)
  • Viton

Trusted Partners

Speak with a Dedicated Niantic Representative

Niantic has developed an extensive product offering through partnerships with industry leading manufacturers. With extensive experience in the industry, count on us to meet your needs while improving your facility’s operation and efficiency.

Have questions about our custom engineered products and services?

Call us at 401.334.6870