by smprecision | Jan 23, 2023
M17A1 Fire Control Quadrant: Details NSN: 1290-01-515-8260 P/N: 13005101 General Description The M17A1 Fire Control Quadrant is the backup system for manually setting the howitzer’s elevation (the primary means is provided by the M18A1 Fire Control Quadrant)....
by smprecision | Jan 23, 2023
M154 Alignment Device: Details NSN: 4931-01-516-1430 P/N: 11741648-5 General Description The M154 Alignment Device, used in conjunction with the M137A2 Panoramic Telescope, verifies the boresight of the M777 howitzer. Boresighting is the means to ensure the optical...
