M138A1 Elbow Telescope: Details
NSN: 1240-01-515-8264
P/N: 13005104
General Description
The M138A1 Elbow Telescope is an 8-power, 8-degree field of view instrument. An elevation reticle is provided for direct fire and a cursor reticle provides for range settings on the mil scale reticle. Both reticles found on the M138A1 are self-illuminated by battery powered LEDs.
The M138A1 Elbow Telescope is used on the M777 and M198 Howitzer.
Additional Information
| Elevation: | 60 mils |
| Field of view: | 8° |
| Diopter adjustment: | ±4 diopters |
| Power: | 8x |
| Batteries: | |
| Quantity/Cell Size: | 1 each/size “C” |
| Voltage: | 3 volts (each) |
| Weight: | 9 lbs |
Previous Models
| Model |
P/N |
NSN |
| M138 Elbow Telescope |
11741626 |
1240-01-038-0530 |
Related Equipment
|
P/N |
NSN |
|
| M17A1 Fire Control Quadrant |
13005101 |
1240-01-515-8260 |
| M18A1 Fire Control Quadrant |
13005102 |
1240-01-515-8262 |
| M137 Panoramic Telescope |
Click for details |
|
| M139A1 Alignment Device |
11741648-3 |
4931-01-472-6621 |
| M154 Alignment Device |
11741648-5 |
4931-01-516-1430 |
| M171A1 Telescope Mount |
13005103 |
1240-01-515-8265 |
| M172 Telescope Mount |
10554823 |
1240-00-037-7290 |