-6 AN Male Socket with safety break-away lanyard 9/16-18 End Fitting; Kalrez-Viton Seals Staubli SPT aluminum dry break couplings are available to transfer all types of fuel, ethanol & oil. The optional lanyard release feature ensures a safe fuel line break-away in accident situations. Flush face design ensures no leakage when disconnecting and the valve design ensures optimal flow with a minimum outside diameter. The compact size and light weight when combined with the high strength aluminum construction provides optimum performance. Seals for the SPT line are either Kalrez-Viton: Perfluoroelastomer in the fluid / Fluorosiliconelastomer (-45F to 500F) or Fluorocarbon (Viton)/FPM: all Fluorocarbons (-15F to 400F).