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  2. M3 submachine gun - Wikipedia

    en.wikipedia.org/wiki/M3_submachine_gun

    The M3 was commonly referred to as the "Grease Gun" or simply "the Greaser", owing to its visual similarity to the mechanic's tool. [13] The M3 was intended as a replacement for the Thompson, and began to enter frontline service in mid-1944. By late 1944, the M3A1 variant was introduced, which also saw use in the Korean War and later conflicts.

  3. 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.

  4. List of crew-served weapons of the U.S. Armed Forces

    en.wikipedia.org/wiki/List_of_crew-served...

    This list contains weapons that are classified as crew-served, as the term is used in the United States military.. While the general understanding is that crew-served weapons require more than one person to operate them, there are important exceptions in the case of both squad automatic weapons (SAW) and sniper rifles.

  5. Fifth-wheel coupling - Wikipedia

    en.wikipedia.org/wiki/Fifth-wheel_coupling

    A Thornycroft steam tractor with articulated trailer competed in the 1898 heavy vehicle trials in Liverpool which took place from May 24 to May 28. [1] Built by the Steam Carriage and Wagon Company of Chiswick, the trailer and tractor unit were connected by a turntable though the details of the coupling are not revealed apart from a schematic.

  6. 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.

  7. Glossary of firefighting equipment - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_firefighting...

    Deck gun A master stream device mounted to top deck of pumper. Delivery Term for any hose that conveys water to a fire e.g., each outlet from a fire appliance supplies a delivery with water. Deluge gun A master stream device that can be positioned on the ground based on the need of the incident commander. Deluge system

  8. Idler arm - Wikipedia

    en.wikipedia.org/wiki/Idler_arm

    Ackermann steering linkage Idler arm for a heavy-duty truck. An idler arm is a pivoting support for a conventional parallelogram steering linkage on some cars and trucks. [1] The idler arm supports the end of the center link on the passenger's side of the vehicle. The idler arm bolts to the vehicle's frame or subframe.

  9. Janney coupler - Wikipedia

    en.wikipedia.org/wiki/Janney_coupler

    The diagram from Beard's 1897 coupler patent [1]. Janney couplers were first patented in 1873 by Eli H. Janney (U.S. patent 138,405). [2] [3] Andrew Jackson Beard was amongst various inventors that made a multitude of improvements to the knuckle coupler; [1] Beard's patents were U.S. patent 594,059 granted 23 November 1897, which then sold for approximately $50,000, and U.S. patent 624,901 ...