M45 Optical Boresight

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.

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/