Coupler Plug, (M)NPT, 1/4, 304 SS MPN:30E557

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Brand: Speedaire
Part #: 30E557
UPC: 190735611999
SKU
510-G4977551
$71.45 for Order Qty of 5
Regular Price $20.01 Special Price $14.29

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Coupler Plug, (M)NPT, 1/4, 304 SS

The Speedaire 30E557 Quick Connect Plug is a reliable and efficient hose coupling solution for pneumatic and fluid lines. With its 304 stainless steel construction and HNBR seals, it can withstand temperatures from -40°F to 200°F and pressures up to 300 psi. The plug is designed for hand-actuated connection and disconnection, making it ideal for applications where quick and easy hose changes are necessary. Suitable for use in various industries such as manufacturing, construction, and oil and gas, this plug is a must-have for anyone looking to streamline their operations and improve safety.

Top product features:

  • Hand-actuated connection and disconnection capability
  • 304 stainless steel construction with plain finish
  • HNBR seals for use within a specified operating temperature range and maximum working pressure

Top product applications:

  • Hose end installation
  • Tool inlet installation
  • Pneumatic or fluid lines
  • The SPEEDAIRE - 30E557 is a hose coupling with NPT connection and specified hose fitting/thread size (3/8 in, male

  • 3/8”-18 thread). It supports hand-actuated connection and disconnection. It features a male plug coupling component compatible with ARO interchange couplers of matching size/specification (1/4 in coupling/body size) and is intended for hose end or tool inlet installation (1/4 in coupling/body size
  • 3/8 in hose fitting size
  • NPT connection). The connection is rated for pneumatic or fluid lines at the stated maximum working pressure and temperature range and is configured with HNBR seals for use within the stated operating temperature range and maximum working pressure. The unit is constructed of 304 stainless steel with a plain finish and uses HNBR seals. It operates within a temperature range from -40°F to 200°F.

    Key Features:

    • - Coupling size and body size of 1/4 in
    • - Hose fitting size of 3/8 in, male gender, with 3/8"-18 thread size
    • - Connection type: NPT
    • - Material: 304 stainless steel construction with plain finish
    • - Seal material: HNBR
    • - Compatible with ARO interchange couplers
    • - Maximum flow rate of 1,132.67 lpm
    • - Maximum working pressure of 300 psi at 70°F
    • - Operating temperature range from -40°F to 200°F
    • - Does not include a valve
    • - No barbed hose tail



Additional Information

  • Country of Origin: CN
  • 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: 1.60
  • Package Width: 0.60
  • Package Height: 0.60
  • Package Weight: 0.01
Product info last updated on February 2, 2026 3:35am UTC Category: Compressors, Air Tanks and Pneumatic Parts
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