MSP Seals supplies custom O-rings used for OEM and MRO (maintenance, repair, and operations) applications for a wide range of industries, from automotive and aerospace, to construction, agricultural, and industrial equipment.

We provide O-rings in all standard sizes of Inch and Metric (JIS), including O-ring kits.

Flexible quantities from one to millions – releases or in bulk.

Custom O-rings are available.


  • X-Ring
  • O-Ring cord types
    • Round
    • Square
    • Rectangular
    • Lobed
    • “D” Shapes

We work with a huge range of materials, elastomers or metal. Just a few of these include:

  • Nitrile Butadiene Rubber (NBR, Buna-N)
  • Butyl Rubber (IIR)
  • EPDM (EP)
  • Fluorocarbon (V, FKM, FPM, FFKM, FFPM)
  • Fluorosilicone (FSi)
  • Neoprene / Chloroprene (CR)
  • Polyacrylate (ACM)
  • Polyurethane Rubber (AU, EU)
  • Silicone (Si)
  • PTFE
  • UHMW
  • Carbon Steel / Stainless Steel (304, 316, 316L, etc)

We can assist in material selection to meet any type of resistance: abrasion, acids, alkalis, oil, corrosion, water, spark, and more.

With production runs available from a single piece to high volume, we are ready to assist with any custom O-ring application that you require.

We offer engineering assistance, as well as, inventory management programs, packaging and labeling, custom kits, total cost management, and full PPAP capabilities.

We are currently ISO 9001:2015 certified.

Contact MSP Seals for more information on our products and services today.