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3/8" MNPT 316 SS Hex Long Nipple MPN:6-6 MHLN-SS 3.0

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In Stock
Brand: Parker
Part #: 6-6 MHLN-SS 3.0
SKU
510-G2948434
$94.58 for Order Qty of 2
Regular Price $66.21 Special Price $47.29

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3/8" MNPT 316 SS Hex Long Nipple

Connect your systems with confidence using the PARKER 6-6 MHLN-SS 3.0 stainless steel hex long nipple. Ideal for air, natural gas, and oil systems, this 316 stainless steel fitting features male NPT threads on both ends and a wrenching surface for easy installation and removal. With a maximum operating pressure of 7,200 psi and a temperature range of -425°F to 1,200°F, it's perfect for demanding applications. Measuring 3 inches long with a 3/4 inch hex size, this fitting is a reliable choice for industries that require high-performance connections.

Top product features:

  • 316 stainless steel construction for corrosion resistance
  • Male NPT threads on both ends for secure connections
  • Hexagonal center section provides a wrenching surface for easy tightening or removal

Top product applications:

  • Air systems
  • Natural gas systems
  • Oil systems

The PARKER - 6-6 MHLN-SS 3.0 is a stainless steel hex long nipple designed to connect two internally threaded female fittings or pipes. Made from 316 stainless steel, it features male NPT threads on both ends with a nominal pipe size of 3/8 inch and a thread size of 3/8-18. The hexagonal center section provides a wrenching surface to facilitate tightening or removal. Intended for use in air, natural gas, and oil systems, in accordance with ANSI B31.1, B31.3, and B1.20.1.


Key Features:
  • - Material: 316 stainless steel
  • - Fitting type: Hex long nipple with male NPT threads on both ends
  • - Nominal pipe size: 3/8 inch
  • - Thread size: 3/8-18
  • - Overall length: 3 inches
  • - Hex size: 3/4 inch across flats
  • - Maximum operating pressure: 7,200 psi
  • - Temperature range: -425°F to 1,200°F
  • - Color: Silver
  • - Does not include pre-applied thread sealant or additional seals


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: 4.40
  • Package Width: 2.80
  • Package Height: 1.80
  • Package Weight: 1.32
  • California Prop 65 Warning: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Product info last updated on March 8, 2026 10:42pm UTC Category: Pipes, Valves and Fittings
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In stock