Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit) Price: $39.99 (as of 23/07/2020 14:24 PST- Details)

Includes high quality BN70 (Buna Nitrile 70 durometer) o-rings – the most common o-ring material
Includes all sizes between -904 to -916
Used in sealing straight thread tube fittings (BOSS Type) in hydraulic equipment

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