Speedflow -4 Boss Gasket O-Ring

The Speedflow 905-04 is a premium nitrile O-ring specifically designed for use with Speedflow's 920 and 922 series fittings that utilize O-ring port adaptors. This high-quality seal is manufactured from Nitrile (NBR - Acrylonitrile-Butadiene) material in black finish.

Key Features:

Premium Nitrile Construction: Made from durable NBR material for excellent sealing properties
Dash-4 Size: Specifically sized for -4 AN fittings and applications
Compatibility: Fits all Speedflow 920/922 range fittings designed for O-ring port adaptors
Universal Fitting: Can be used with any dash-sized fitting requiring replacement O-rings

Chemical Compatibility:

Suitable for use with propane, butane, petroleum oil, diesel fuel and fuel oil. NOT RECOMMENDED for fuels with high aromatic content such as benzene, chlorinated hydrocarbons, ketone, acetone, acetic acid, ethylene ester, strong acids, glycol-based brake fluids or ozone.

Performance Benefits:

Excellent sealing properties for leak-free connections
Reliable replacement seal for maintenance applications
Essential spare component for high-performance hydraulic and fuel systems
Designed for demanding automotive and industrial applications