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  2. 1.1-inch/75-caliber gun - Wikipedia

    en.wikipedia.org/wiki/1.1-inch/75-caliber_gun

    The name means that it had a bore diameter of 1.1 in (28 mm) and barrel caliber of 75 (1.1 inches × 75 = 82.5 in (2.1 m)). The gun was designed to replace the M2 Browning and four barrels were required to duplicate the rate of fire.

  3. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    The millimetre (SI symbol: mm) is a unit of length in the metric system equal to 10 −3 metres (⁠ 1 / 1 000 ⁠ m = 0.001 m). To help compare different orders of magnitude , this section lists lengths between 10 −3 m and 10 −2 m (1 mm and 1 cm).

  4. Nominal Pipe Size - Wikipedia

    en.wikipedia.org/wiki/Nominal_Pipe_Size

    Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...

  5. Thousandth of an inch - Wikipedia

    en.wikipedia.org/wiki/Thousandth_of_an_inch

    A thousandth of an inch is a derived unit of length in a system of units using inches.Equal to 1 ⁄ 1000 of an inch, a thousandth is commonly called a thou / ˈ θ aʊ / (used for both singular and plural) or, particularly in North America, a mil (plural mils).

  6. Preferred metric sizes - Wikipedia

    en.wikipedia.org/wiki/Preferred_metric_sizes

    A standard metric (concrete) block is 190 mm wide, 390 mm long, and 190 mm high, which allows for 10 mm mortar joints in between bricks, giving a standard unit size of 200 mm square by 400 mm long. [3] A standard metric brick is 90 by 57 by 190 mm; with 10 mm of mortar, that produces a standard unit of 100 mm x 200 mm. [3]

  7. List of metric units - Wikipedia

    en.wikipedia.org/wiki/List_of_metric_units

    Metric units are units based on the metre, gram or second and decimal (power of ten) multiples or sub-multiples of these. According to Schadow and McDonald, [ 1 ] metric units, in general, are those units "defined 'in the spirit' of the metric system, that emerged in late 18th century France and was rapidly adopted by scientists and engineers.

  8. Type 96 25 mm AT/AA gun - Wikipedia

    en.wikipedia.org/wiki/Type_96_25_mm_AT/AA_gun

    The propellant was 102 grams of single-perforated, graphited grains of nitrocellulose approximately 2 mm in diameter and between 2.5 and 4.5 mm in length. [5] Normally one tracer round was added every four or five rounds to aid laying. [6] [page needed] High-explosive shell. Orange body. High explosive incendiary. Green body. High explosive tracer.

  9. 1.1 - Wikipedia

    en.wikipedia.org/wiki/1.1

    1.1.1.1, a Domain Name System service; 1.1-inch/75-caliber gun; Falcon 9 v1.1 orbital launch vehicle; Trabant 1.1, an automobile; A one-day Category 1 race in the UCI race classifications system; A software version number, including: HTTP 1.1, a version of the Hypertext Transfer Protocol first published in 1997