The Kit Includes the Following O-Rings in Buna-N 90 Durometer:

• 25 - Dash 4 (#011)
• 25 - Dash 6 (#012)
• 25 - Dash 8 (#014)
• 25 - Dash 10 (#016)
• 20 - Dash 12 (#018)
• 15 - Dash 16 (#021)
• 10 - Dash 20 (#025)
• 10 - Dash 24 (#029)

All Conveniently Packaged in a Multi-Compartment Plastic Carrying Case - Complete with an Easy to Use Sizing Chart.
This kit is assembled in the USA by Beaver Island Parts Company.
ORFS, or (O-ring Face Seal) fittings incorporate an O-ring at the face of the fitting. Made to SAE J1453 standard, ORFS connections are commonly manufactured in carbon, nickel plated carbon & Stainless steel and typically use O-rings that seat into a groove in the face of the fitting. This is known as an elastomeric seal.
The seal is created when the o-ring compresses between the o-ring face of the fitting and flat face of the mating ORFS fitting or the formed tube. When the connection is tightened the O-ring compresses against a flat face of mating fitting or tube.
This system is used frequently in hydraulics, although it has been applied to other systems including compressed air systems and vacuum pumps.
All elements of this listing are the intellectual property of Beaver Island Parts Company. Beaver Island Parts Company LLC is not liable for any damages or injury resulting from the misuse of this product. Packaging may vary slightly in appearance.

• High Quality Buna-N 90 Durometer Material (Also Known as Nitrile or NBR) has Excellent Oil Resistance, as well as Superior Resistance to Weather and Tearing. Buna-N Nitrile O-rings in 90 Durometer are Heat Resistant up to 212F and 250F Intermittent to -30F. 90 Durometer O-rings have a Harder and Denser Consistency and are Typically Used in Higher Pressure Applications
• 8 of the Most Common Sizes of FACE ORFS O Rings are Included “ a Total of 155 O-Rings. An Excellent Value
• Used for Sealing O-Ring Face Seals (ORFS) in Hydraulic Equipment. FACE ORFS Fittings are Frequently used in Hydraulic Fittings, Hydraulic Pumping, Pneumatic Motors, Cylinders, Pumps, and Valves
• A Convenient Sizing Chart is Printed on the Inside of the Case for Easy Identification and Selection. The Carrying Case Features a Multiple Compartment Design for Segmented Storage. Perfectly Sized for Storage in a Tool Box or Vehicle.
• Assembled in the USA by Beaver Island Parts Company. A Small Business with Multiple Decades of Experience in the Industry