by Brennan Goewert | Jan 19, 2023
M4A1 Range Fire Control Quadrant: Details NSN: 1290-00-759-7761 P/N: 7597761 General Description The M4A1 Range Fire Control Quadrant is a manually-operated instrument used for laying howitzers and cannons in elevation for indirect fire. The quadrant is mounted so...
by Brennan Goewert | Jan 19, 2023
M1A2 Collimator (Collimator, Infinity Aiming Reference): Details NSN: 1240-01-465-5452 P/N: 12984644 General Description The M1A2 Infinity Aiming Collimator is an optical instrument used for establishing an optical reference from which weapon deflection angles can be...
by Brennan Goewert | Jan 19, 2023
NSN: 1290-00-891-9999 P/N: 7197156 General Description: The M1A1 Gunner’s Quadrant is a portable precision leveling instrument used for laying artillery weapons in elevation, measuring their angles of elevation, and checking the elevation mechanisms of fire control...
by Brennan Goewert | Jan 17, 2023
NSN: 6675-01-067-0687 P/N: 11785090 General Description The M2A2 Aiming Circle is the primary means of orienting the cannon battery or laying weapons on the azimuth of fire. In addition, the aiming circle is used to measure the azimuth and elevation angles of a ground...
