670 Series Slim-Line Master Cylinder Home > Master Cylinders >Push-Type Master Cylinders >670 Series Master Cylinders
  • Our most popular selling Master Cylinder.
  • Simple design assures long trouble free service.
  • Direct replacement for Cleveland Model 10-54
    & Gerdes Model A-110
• Outlet Ports: 1/8" NPT
• Max Pressure = 1,200 psi
• For use with MIL-H-5606 Fluid
Click on Part Number for
Dimensional Data
Our standard master cylinder has a piston bore of 5/8" and is recommended for most aircraft. For aircraft with oversized tires, poor brake pedal geometry, etc. you may wish to use a master cylinder with a piston diameter of 9/16" which produces 19% more brake fluid pressure.

Part Number
670-48 shown

Piston Stroke = 1.4"

Displacement of master cylinders with a piston bore of 5/8" is 0.429 cu-in.

Displacement of master cylinders with a piston bore of 9/16" is 0.348 cu-in.

Part No.
5/8" Bore
Part No.
9/16" Bore
Pin-to-Pin
Length
Upper
Attachment
Lower
Attachment
Weight Price
670-1 670-901 7.5" Clevis Inline 5.9 oz. $179.00
670-2 670-902 8.0" Clevis Inline 6.2 oz. $179.00
670-3 670-903 7.5" Clevis 90° Offset 5.9 oz. $179.00
670-4 670-904 8.0" Clevis 90° Offset 6.2 oz. $179.00
670-48 670-948 7.88" Clevis Inline 5.9 oz. $189.00
670-6 670-906 7.88" Clevis 90° Offset 5.9 oz. $189.00
670-7 670-907 7.25" Clevis Inline 5.9 oz. $189.00
670-8 670-908 7.25" Clevis 90° Offset 5.9 oz. $189.00
670-13 670-913 8.0" 3/8" Eye Bolt 90° Offset 6.2 oz. $189.00
670-14 670-914 8.0" 3/8" Eye Bolt Inline 6.2 oz. $189.00
670-15 670-915 8.0" 1/2" Eye Bolt 90° Offset 6.2 oz. $189.00
670-16 670-916 7.5" 1/2" Eye Bolt 90° Offset 5.9 oz. $189.00
670-17 670-917 8.0" 1/2" Eye Bolt Inline 6.2 oz. $189.00
670-18 670-918 7.5" 1/2" Eye Bolt Inline 5.9 oz. $189.00
670-19 670-919 7.5" 3/8" Eye Bolt 90° Offset 5.9 oz. $189.00
670-20 670-920 7.5" 3/8" Eye Bolt Inline 5.9 oz. $189.00
670-45   7.25" Clevis 90° Offset 6.2 oz. $209.00