Product Overview: Mount, Telescope: M138
NSN: 1240-00-896-2240
P/N: 8587500

General Description
Mount, Telescope: M138 mounts on Quadrant, Fire Control: Elevation M15 and holds Telescope, Elbow: M116 or M116C. The mount is used with Gun, Field Artillery, Self-Propelled: Full Tracked, 155mm, M107 and Howitzer, Heavy, Self-Propelled: 8 inch, M110. A lamp attached to a retractile lead provides illumination for the reticle pattern of the telescope.