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Swiftech 3/8IN X 5/8IN LOK-SEAL™ Compression Fitting G1/4 - Chrome

This product can only be exchanged or replaced with the exact same item.
Swiftech 3/8IN X 5/8IN LOK-SEAL™ Compression Fitting G1/4 - Chrome - 1
Actual product may not be exactly as shown.
Swiftech 3/8IN X 5/8IN LOK-SEAL™ Compression Fitting G1/4 - Chrome - 75493_l.jpg Customer Photos (0)
Reg. Price: $9.98  CAD
This Product is available in 3 to 6 weeks

This product is available but currently we do not have stock. Notify me if this product is available again.
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   Shipping Weight:   0.2 lbs
   Part #: 5-8x3-8-G1-4-CF-CHR
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Features    [ Edit | History ]


Product Description: 
?” x ?” Lok-Seal™ Compression Fitting
Contents & Features Specifications
  • Blister pack of 1 fitting & collar
  • Material: brass
  • For ?” (10mm) ID x ?” (16mm) OD tubing
  • Finish: high polish chrome plating or black paint
  • G 1/4" Male threads
  • Hex nut:
    • Inch: 13/16"
    • Metric: 20mm
  • Collar:
    • Inch: .83"
    • Metric: 21mm
  • Hi-flow design: .40" (10.2mm) bore  ID x  .40" (10.2mm) barb ID


Recommended use

  • Initial Tip:  If possible, attach the fittings to the cooling devices first! While not mandatory,  it is always preferable to fasten a fittings to a cooling device prior to installing the device inside the case. This will eliminate interference issues that may be encountered when working with tools inside of space constrained enclosures.
  • Fasten the fitting by hand until it mates with the surface of the cooling device. The amount of force necessary to screw the fittings down in “finger tight” mating position may vary from one device to another depending on various factors.  Users are advised to always visually check on the actual position of the fitting relative to the device surface rather than solely relying on feel. There should be little -not to exceed the thickness of a sheet of paper, or no visible gap between the fitting lower lip and the device surface. See the illustration below.


  • For complete long-term safety and leak-free operations, Swiftech® recommends that the fittings be locked in place using the recommended tools and that the torque levels specified below be applied:


Recommended Torque

Soft Material


Maximum (*)

Acetal (POM) and acrylics

1/4 of a turn after initial contact between mating surfaces

1/2 of a turn after initial contact between mating surfaces

Hard Materials


Copper, brass, aluminum

1/8 of a turn after initial contact between mating surfaces

(*) For full 5mm thread depth – please inspect the device threads prior to applying the maximum
recommended torque – when partial threads exist due to application necessity, only apply the
minimum torque.

Recommended Tools

A small adjustable wrench with jaw opening up to 1” (25.4mm)
may be used as a universal tool instead of the specific tools listed below

Specific tool sizes

Inch Tube ID x OD
Metric Tube OD xID
Fitting base hex:
Flat wrench or socket
Flat or adjustable wrench
?”x ½” – 13/10mm Metric: 17mm - Inch: 11/16” Metric: 18mm - Inch: adjustable wrench
?” x ?” – 16/10mm Metric: 20mm - Inch: 13/16” Metric: 21mm - Inch: adjustable wrench
½” x ¾” – 19/13mm Metric: 24mm - Inch: 15/16” Metric: 25mm - Inch: 1”

Swiftech 5-8x3-8-G1-4-CF-CHR Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Swiftech 5-8x3-8-G1-4-CF-CHR reviews.
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NCIX provides a 30 day limited warranty on this product.  The remainder of the 1 year warranty is provided by the manufacturer.    Warranty length may vary depending on manufacturer and product.
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