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Aerospace & Defense O-ring Manufacturer, Parco, Obtains QPL Approval for AMS 7271 & AMS 7270

  • Posted by Parco Inc on November 21, 2011

Aerospace and defense O-ring specialist Parco, Inc., is pleased to announce it is the first O-ring manufacturer to obtain QPL approval for compounds meeting AMS 7271 & AMS 7270. Parco’s 4465-65 and 4466-70 nitrile compounds have been QPL approved for AMS 7271 and AMS 7270, respectively. Parco is currently the only QPL-listed supplier approved to sell O-rings to those specifications.

Parco is committed to being the leader in military and aerospace seals.  We currently offer materials to meet 28 military and aerospace specifications, supply Qualified Products List (QPL) O-rings, and maintain ISO9001, ISO/TS 16949, AS9100, and AC7115 certifications of our quality system.

For additional information on Parco’s QPL-listed compounds for O-rings, visit