Hydraulic O-Ring Kit Boss Orb Fittings 245 Pieces (12 Common, N 90 Durometer

The Kit Includes the Following O-Rings in Buna-N 90 Durometer: 35 - Dash 4 (#904) 30 - Dash 5 (#905) 30 - Dash 6 (#906) 20 - Dash 7 (#907) 20 - Dash 8 (#908) 20 - Dash 9 (#909) 15 - Dash 10 (#910) 15 - Dash 11 (#911) 15 - Dash 12 (#912) 15 - Dash 13 (#913) 15 - Dash 14 (#914) 15 - Dash 16 (#916) 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. o-ring boss seal is a technique for joining two fluid-carrying pipes, hoses, or tubing. In an o-ring boss (abbreviated ORB) system, a male-threaded part is inserted into a female-threaded part, providing a mechanical seal. The female port has a straight thread and a machined surface to provide a smooth, flat, accurately located surface (minimum spotface), along with a chamfer where the O-ring seats. The seal is created when the O-ring is compressed into the chamfer when mating the male and female connection providing a leak-tight seal.

Product Features

  • 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
  • 12 of the Most Common Sizes of BOSS (ORB) O Rings are Included – a Total of 245 O-Rings. An Excellent Value
  • Used for Sealing Straight Thread Tube Fittings (BOSS Type) in Hydraulic Equipment. Boss Tube 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




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