10-32 Thread to 1/32 Inch, 1/16 Inch, 1/8 Inch, or 1/4 Inch O.D. Tubing, Redundant Seal Straight Compression

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Two Piece Replacement Ferrules

Front and rear ferrules compatible with all available tubing sizes and materials.

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Replacement Screws

Compression screws for MCB-3T and MCB-6T models.

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Replacement Nuts

Compression nuts for MCB-8T and MCB-4T models.

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Pre-Swage Tools

Tools for pre-swaging ferrules onto tubing prior to assembling fitting. Pre-Swage tools only available for MCB-8T and MCB-6T models. MCB-4T and MCB-3T models do NOT have a compatible pre-swage tool.

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Replacement O-Rings

O-Ring seals in all available materials for 10-32 thread external face seal only. For replacement internal seals please contact an Applications Engineer.

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Description: Miniature compression fitting with 10-32 external thread, for 1/32″ 1/16”, 1/8″, or ¼” OD Teflon® tubing. Internal O-ring seals provide a redundant leak-tight connection for difficult to seal situations such as when using Teflon® tubing.

Max Pressure Rating: 3,000 psig for 1/32″ 1/8″ and 1/4″ models, and 8,000 psig for 1/16″ model, when used with high pressure metal tubing. When using stiff plastic tubing, the burst pressure of the tube is typically the limiting factor.


  • Beswick compression fittings give you the ability to operate at high pressures and temperatures while maintaining a small envelope.
  • Beswick’s ferrules provide for a leak-tight tubing connection while a captured O-ring ensures a reliable face seal for male threaded fittings.
  • Easy to install without special tools.