Luer Adapter Body

IDEX Part Number: P-658  /

The P-658 is a compact fluidic adapter that connects female luer fittings to 1/4-28 flat-bottom threaded ports. Made from chemically resistant red PEEK, it’s ideal for applications such as chromatography. Designed for low-pressure applications up to 45 psi, this adapter ensures secure, leak-free connections in regulated environments.

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  • 17.20 USD Each
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Thread Port Design   1/4-28 Flat-Bottom, Female Luer Lock
Material PEEK
Pressure Rating 45 psi (3 bar)
Fitting Type Adapter

Luer Adapter Assembly

P-655 / 0

Out of Stock Backordered In Stock
  • Male luer lock to 1/4-28 flat bottom
  • PEEK material
  • Rotating lock hub
  • Recommended for pressures up to 45 psi (3 bar)
  • Ø.040" thru hole

1/16" OD Fitting, Flangeless Short

XP-235 / 0

Out of Stock Backordered In Stock
  • For use with 1/16" OD tubing mating with a 1/4-28 port
  • Short nut for space limited applications
  • Natural PEEK nut, blue ETFE ferrule
  • Include P-200 Flangeless ferrule
  • Recommended for pressures up to 2000 psi (1348bar)
  • 1 per pack

1/8" OD Fitting, Flangeless Short

XP-335 / 0

Out of Stock Backordered In Stock
  • For use with 1/8" OD tubing mating with a 1/4-28 port
  • Short nut for space limited applications
  • Natural PEEK nut, yellow ETFE ferrule
  • Include P-300 Flangeless ferrule
  • Recommended for pressures up to 500 psi (34 bar)
  • 1 per pack

1 of 1

TopicDescription
Fluidic Connections CapabilitiesConnections impact everything you do with your instruments and are the core component of a fluidics system. Learn more about the benefits of fluidic connections manufactured by IDEX Health & Science.
Fittings 101 GuideDiscover the fundamentals of equipment fittings and accessories, as well as some basics about liquid chromatography as an analytical technique.
Periodic Table of Analytical FittingsOur Periodic Table of Analytical Fittings illustrates over 100 analytical fittings’ pressure rating, tubing size, head style, fitting material, and torque required.
Materials GuideExplore our material properties guide by selecting the material of your choice from the list provided to view properties and solvent compatibility.
Chemical Compatibility Guide This Chemical Compatibility guide will allow you to either check what materials will work with the chemicals you are using or planning to use; or view what compatibility ratings are given to a material you are planning to use.
Related Products
TopicDescription
Shop for FittingsIDEX Health & Science offers a wide and diverse selection of fittings, connections, and tubing to meet your fluidic system requirements. Shop Now.

Question 1: Is the PEEK material autoclavable?

Answer: Yes, PEEK is autoclavable and suitable for sterilization in regulated laboratory environments./p>

Question 2: What tubing sizes are compatible with this adapter?

Answer: It is designed to interface with standard female luer fittings and 1/4-28 flat-bottom ports, which typically connect to 1/16" OD tubing. Can easily connect to both 1/16” and 1/8” OD tubing..

Question 3: Can this adapter be reused?

Answer: Yes, PEEK adapters like the P-658 are durable and reusable, provided they are properly cleaned and not exposed to pressures beyond their rating.

Specifications

Luer Adapter Assembly

P-655 / 0

Out of Stock Backordered In Stock
  • Male luer lock to 1/4-28 flat bottom
  • PEEK material
  • Rotating lock hub
  • Recommended for pressures up to 45 psi (3 bar)
  • Ø.040" thru hole

1/16" OD Fitting, Flangeless Short

XP-235 / 0

Out of Stock Backordered In Stock
  • For use with 1/16" OD tubing mating with a 1/4-28 port
  • Short nut for space limited applications
  • Natural PEEK nut, blue ETFE ferrule
  • Include P-200 Flangeless ferrule
  • Recommended for pressures up to 2000 psi (1348bar)
  • 1 per pack

1/8" OD Fitting, Flangeless Short

XP-335 / 0

Out of Stock Backordered In Stock
  • For use with 1/8" OD tubing mating with a 1/4-28 port
  • Short nut for space limited applications
  • Natural PEEK nut, yellow ETFE ferrule
  • Include P-300 Flangeless ferrule
  • Recommended for pressures up to 500 psi (34 bar)
  • 1 per pack

1 of 1

TopicDescription
Fluidic Connections CapabilitiesConnections impact everything you do with your instruments and are the core component of a fluidics system. Learn more about the benefits of fluidic connections manufactured by IDEX Health & Science.
Fittings 101 GuideDiscover the fundamentals of equipment fittings and accessories, as well as some basics about liquid chromatography as an analytical technique.
Periodic Table of Analytical FittingsOur Periodic Table of Analytical Fittings illustrates over 100 analytical fittings’ pressure rating, tubing size, head style, fitting material, and torque required.
Materials GuideExplore our material properties guide by selecting the material of your choice from the list provided to view properties and solvent compatibility.
Chemical Compatibility Guide This Chemical Compatibility guide will allow you to either check what materials will work with the chemicals you are using or planning to use; or view what compatibility ratings are given to a material you are planning to use.
Related Products
TopicDescription
Shop for FittingsIDEX Health & Science offers a wide and diverse selection of fittings, connections, and tubing to meet your fluidic system requirements. Shop Now.

Question 1: Is the PEEK material autoclavable?

Answer: Yes, PEEK is autoclavable and suitable for sterilization in regulated laboratory environments./p>

Question 2: What tubing sizes are compatible with this adapter?

Answer: It is designed to interface with standard female luer fittings and 1/4-28 flat-bottom ports, which typically connect to 1/16" OD tubing. Can easily connect to both 1/16” and 1/8” OD tubing..

Question 3: Can this adapter be reused?

Answer: Yes, PEEK adapters like the P-658 are durable and reusable, provided they are properly cleaned and not exposed to pressures beyond their rating.