Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit)
- Includes high quality BN70 (Buna Nitrile 70 durometer) o-rings - the most common o-ring material.
- Used in sealing straight thread tube fittings (BOSS Type) in hydraulic equipment.
- O-Rings are conveniently sorted by size in individual compartments..
- Assembled in the USA. Manufactured and Warrantied by Captain O-Ring LLC, with decades in a sealing and chemical industry.