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DQC ST-Series Snap-Tite 71 Interchange Female Plug

DQC ST-Series Snap-Tite 71 Interchange Female Plug

Part Number ST4F4
Material Steel
Thread Female NPTF
Thread Size 1/2"-14
Maximum OD 1.65" (41.9mm)
Body Size 1/2"
Hex 1-1/2"
Length 2.37" (60.2mm)
Maximum Operating Pressure 10000 PSI (700 bar)
Burst Pressure 22500 PSI (1500 bar)
Temperature Range -40°F to +250°F (-40°C to +121°C)
Weight Lb 0.7000


  • Machined components are manufactured using solid bar stock
  • Stainless steel balls, retaining rings and springs maximize corrosion resistance and extend service life.
  • Steel componentry is plated using ROHS Compliant Trivalent Chrome.
  • Steel nipples are hardened to provide heavy duty performance.
  • Incorporates PTFE anti-extrusion rings to protect seal components from dynamic impulse damage.

Available Options

  • Contact Dixon for all available option adders
  • Oxy-clean treatment is available

Compatibility & Interchange Data

  • Interchangeable with Snap-Tite 71-Series

Repair Kits
Part # Description Includes Item # Qty
ST4-SKIT Valve Nitrile O-ring/Back-Up and Adapter O-ring

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Stock Availability