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  2. Air-line fitting - Wikipedia

    en.wikipedia.org/wiki/Air-line_fitting

    A coupled pair consists of a male nipple or plug and a female coupler or socket. One side is connected to a flexible supply hose; the other may be attached to a manifold, valve, tool, or another hose. A female coupler is used on the supply side, and a male nipple is used on the receiving side.

  3. M3 submachine gun - Wikipedia

    en.wikipedia.org/wiki/M3_submachine_gun

    The M3 is an American .45-caliber submachine gun adopted by the U.S. Army on 12 December 1942, as the United States Submachine Gun, Cal. .45, M3. [12] The M3 was chambered for the same .45 ACP round fired by the Thompson submachine gun , but was cheaper to mass produce and lighter, at the expense of accuracy. [ 12 ]

  4. Grease fitting - Wikipedia

    en.wikipedia.org/wiki/Grease_fitting

    Grease fitting on a bearing A grease nipple on the driver's door of a 1956 VW Beetle. A grease fitting, grease nipple, Zerk fitting, grease zerk, Alemite fitting, or divit is a metal fitting used in mechanical systems to feed lubricants, usually lubricating grease, into a bearing under moderate to high pressure using a grease gun.

  5. Lincoln Industrial - Wikipedia

    en.wikipedia.org/wiki/Lincoln_Industrial

    Various hand-held grease guns, couplers and other accessories were developed to address a wide range of applications. Despite the pressures of a long-term suit, the company developed the first drum pump for transferring lubricants from the original refinery containers. Lincoln developed the first portable oil drain and a quick detachable air ...

  6. Quick connect fitting - Wikipedia

    en.wikipedia.org/wiki/Quick_connect_fitting

    Pneumatic couplings are specialized quick connect fittings used for compressed air and gas applications. These couplings allow for fast and secure connections, ensuring efficiency and safety in pneumatic systems. They are designed to minimize pressure drops, prevent air leakage, and provide durability under high-pressure conditions.

  7. Rotary-screw compressor - Wikipedia

    en.wikipedia.org/wiki/Rotary-screw_compressor

    Principal view of the pumping action of a twin-screw pump with a six-lobe female screw and a five-lobe male screw. A compressor (as opposed to a pump) would be shaped the same way, except that the shape of the lobes would change along the length of the screw, so that the volume of the trapped pockets would get squeezed smaller as they get closer to the exhaust port.

  8. Air compressor - Wikipedia

    en.wikipedia.org/wiki/Air_compressor

    Air compressor supplies air into a nail gun.. An air compressor is a machine that takes ambient air from the surroundings and discharges it at a higher pressure. It is an application of a gas compressor and a pneumatic device that converts mechanical power (from an electric motor, diesel or gasoline engine, etc.) into potential energy stored in compressed air, which has many uses.

  9. Grease gun - Wikipedia

    en.wikipedia.org/wiki/Grease_gun

    A grease gun (pneumatic) A grease gun is a common workshop and garage tool used for lubrication. The purpose of the grease gun is to apply lubricant through an aperture to a specific point, usually from a grease cartridge to a grease fitting or 'nipple'. The channels behind the grease nipple lead to where the lubrication is needed.