M45 Optical Boresight W/Equipment: Details
NSN: 1240-00-152-3512
P/N: 10549221
General Description
The M45 Boresight is used to detect deflection and elevation errors in the mortar sight unit. It has a body with machined surfaces which is then attached or clamped to the mortar tube. A fixed-focus elbow telescope and body assembly is used with a distant aiming point to align the mortar tube and verify that the mortar sight unit is accurate.
Additional Information
| Weight: | 2.75 lbs |
| Length: | 8 in. |
| Width: | 4 in. |
| Height (w/o strap): | 6 in |
| Limits of Operation | |
| Magnification: | 4x |
| Field of view: | 10° |
Key Components
The M45 Boresight consists of the elbow telescope, body assembly, pivot shaft, strap shaft, hook, telescope clamp, strap assemblies, clamp assemblies, and M102 carrying case.
| P/N | NSN | |
| M109 Elbow Telescope | 10548042-2 | 1240-01-197-5069 |
| Body, Boresight | 10548287 | 1240-01-226-9931 |
| Strap Assembly | 8579194 | 5340-00-706-4484 |
| Clamp Assembly | 8579191 | 5340-00-706-8149 |
| Case, Carrying: M102 | 10549222/ PRF13005488 |
6650-00-152-2916/ 6650-01-521-9877 |