Greene, Tweed & Co. 4240 Series Back-Up Rings

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4240 Series Back-Up Rings -  - Greene, Tweed & Co.
Kulpsville, PA, USA
4240 Series Back-Up Rings
This series provides a part numbering system for back-up rings as per the Aerospace specifications AS5781 and AS5782. These specifications are based on virgin but pigmented PTFE materials. AS5781 is the specification for scarf-cut (split) back-up rings while AS5782 is the specification for solid-type rings. Either is appropriate for use in AS4716 glands

This series provides a part numbering system for back-up rings as per the Aerospace specifications AS5781 and AS5782. These specifications are based on virgin but pigmented PTFE materials. AS5781 is the specification for scarf-cut (split) back-up rings while AS5782 is the specification for solid-type rings. Either is appropriate for use in AS4716 glands

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Technical Specifications

  Greene, Tweed & Co.
Product Category Dynamic Seals
Product Name 4240 Series Back-Up Rings
Seal Orientation Rod Seal (optional feature); Piston Seal (optional feature)
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