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  • M21A1 Telescope Mount

    Model : Model:M21A1

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    General

      MOUNT, TELESCOPE:M21A1, is used with TELESCOPE, PANORAMIC:M12A7H for laying in azimuth for direct and indirect fire on HOWITZER, LIGHT, TOWED:105-mm, M101A1. This mount consists of a socket which supports the panoramic-telescope, a longitudinal leveling mechanism, a cross leveling mechanism and azimuth error caused when the weapon is elevated with the trunnions out of level. There is an index on the longitudinal leveling mechanism and a matching pointer on a clamp. The mounting bracket has an extension with a hole for mounting the telescope mount on the trunnion of the weapon. Instead of scales and micrometers, there are indexes on the rocker and actuating arm to indicate 0° elevation. There is no angle of site mechanism. LIGHT, INSTRUMENT:M19 is used with the mount for night operation.

     

     

    Characteristics

     

    Item

    Specification

    Length

    113/4 in.

    Width

    13/8 in.

    Height

    101/8 in.

    Weight

    46 lb

    Limits of Operation

    Elevation1,955.80 mils

    Depression533.40 mils