O-rings and Seals 

McMasters Koss Co.
4224 Normandy Court
Royal Oak, Michigan 48073

Phone: (248) 549-1414
Fax:    (248) 549-7753

(800) 548-0089


Call Peter Gibbs, our Chief Engineer, at 800-548-0089 for seal application questions and solutions.

Or, arrange for a visit from one of our senior Application Engineers or Technical Sales staff who will use their considerable experience to solve your most difficult sealing problems.