Stauff Test 20 x 5/16 UNF Adapter

Sale price $15.55 Regular price $17.28

Test 20 x 5/16 UNF Zinc Plated Adapter with Ball Check 

Part Number: SMK20-5/16UNF-VE-C6F  

Stauff Test 20 Fitting Specifications PDF


  • Connection: Male Test 20 (M16 x 2) x Male 5/16-24 UNF
  • Internal Sealing: FPM (Viton)
  • Material: Steel, zinc/nickel plated CrVI Free
  • Ball: Stainless Steel
  • Max Working Pressure: 9137PSI 
  • Temperature Range: -4F to 392F


  • Test system at working pressure
  • Leak proof connection before ball check is open
  • Simple connection to measurement, control and switching devices
  • Self locking metal protective cap 

Call 1-888-979-0811 or email with questions about our Stauff test 20 fittings