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  2. SAE J1939 - Wikipedia

    en.wikipedia.org/wiki/SAE_J1939

    SAE J1939. Society of Automotive Engineers standard SAE J1939 is the vehicle bus recommended practice used for communication and diagnostics among vehicle components. Originating in the car and heavy-duty truck industry in the United States, it is now widely used in other parts of the world. SAE J1939 is used in the commercial vehicle area for ...

  3. Cylinder head porting - Wikipedia

    en.wikipedia.org/wiki/Cylinder_head_porting

    Cylinder head porting refers to the process of modifying the intake and exhaust ports of an internal combustion engine to improve their air flow. Cylinder heads, as manufactured, are usually suboptimal for racing applications due to being designed for maximum durability. Ports can be modified for maximum power, minimum fuel consumption, or a ...

  4. JIC fitting - Wikipedia

    en.wikipedia.org/wiki/JIC_fitting

    The angled seating surface is clearly visible on the far right. JIC fittings, defined by the SAE J514 and MIL-DTL-18866 standards, are a type of flare fitting machined with a 37-degree flare seating surface. JIC (Joint Industry Council) fittings are widely used in fuel delivery and fluid power applications, especially where high pressure (up to ...

  5. SAE International - Wikipedia

    en.wikipedia.org/wiki/SAE_International

    SAE International is a global professional association and standards organization based in Warrendale, Pennsylvania, United States.Formerly the Society of Automotive Engineers, the organization adopted its current name in 2006 to reflect both its international membership and the increased scope of its activities beyond automotive engineering and the automotive industry to include aerospace and ...

  6. ARP4754 - Wikipedia

    en.wikipedia.org/wiki/ARP4754

    ARP4754, Aerospace Recommended Practice (ARP) ARP4754B (Guidelines for Development of Civil Aircraft and Systems), is a guideline from SAE International, dealing with the development processes which support certification of Aircraft systems, addressing "the complete aircraft development cycle, from systems requirements through systems verification."

  7. United States Standard thread - Wikipedia

    en.wikipedia.org/wiki/United_States_Standard_thread

    The thread form is defined by flats at the tip and root of the thread form. This flat length is defined as the pitch divided by eight. The thread depth, which is from flat to flat is 0.6495 times the pitch. [4] For 1⁄4 -inch (6.4 mm) screws and larger, the pitch is defined as: where P is the pitch and D is the diameter of the rough stock.