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Hex Coupling, 316 Stainless Steel, 3/8 x 1/4 in FNPT, 1.13 in Length, 5300 psi Max Pressure MPN:6-4 FHC-SS

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Brand: Parker
Part #: 6-4 FHC-SS
SKU
510-G3216787
$97.98 for Order Qty of 2
Regular Price $68.59 Special Price $48.99

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Hex Coupling, 316 Stainless Steel, 3/8 x 1/4 in FNPT, 1.13 in Length, 5300 psi Max Pressure

The Parker 6-4 FHC-SS Hex Coupling is a reliable and durable solution for joining male-threaded pipes or fittings in a straight line. Made from 316 stainless steel, this coupling provides excellent corrosion resistance and can withstand maximum operating pressures of 5,300 psi. Its female NPT connections on both ends make it ideal for use with NPT-threaded piping systems, while its hexagonal shape allows for easy tightening or loosening with a wrench. Suitable for a wide range of applications, including industrial, commercial, and residential use, this coupling is a great choice for any project requiring a secure and leak-free connection.

Top product features:

  • 316 stainless steel construction provides corrosion resistance
  • The hexagonal external shape allows for tightening or loosening with a wrench
  • Maximum operating pressure is 5,300 psi

Top product applications:

  • Pipe Fitting for Chemical Processing
  • Hydraulic System Component
  • Pneumatic System Component
  • The PARKER - 6-4 FHC-SS is a 316 stainless steel hex coupling designed to join two male-threaded pipes or fittings in a straight line. It features female NPT connections on both ends, with a 3/8" nominal pipe size on Side A and 1/4" on Side B, intended for use with NPT-threaded piping systems

  • fluid compatibility is not specified in product specifications. The hexagonal external shape allows for tightening or loosening with a wrench, and the 316 stainless steel construction provides corrosion resistance
  • maximum operating pressure is 5,300 psi. The fitting complies with ANSI B31.1, ANSI B31.3, and ANSI B1.20.1 standards. Key Features:
    • - Material: 316 stainless steel
    • - Connection type: Female NPT on both ends (3/8" x 1/4")
    • - Overall length: 1.13 inches (1 1/8 in)
    • - Maximum operating pressure: 5,300 psi
    • - Temperature range: -425 Degrees F to 1200 Degrees F
    • - Hex size across flats: 7/8 inch
    • - Thread size: 3/8-18 on Side A x 1/4-18 on Side B
    • - Does not include thread sealant or seals
    • - Color: Silver



Additional Information

  • Country of Origin: US
  • Drop Ship Item: No
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 1 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 3.70
  • Package Width: 2.80
  • Package Height: 1.20
  • Package Weight: 0.55
  • California Prop 65 Warning: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Product info last updated on February 18, 2026 11:17pm UTC Category: Pipes, Valves and Fittings
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In stock