WHERE TO FIND THEM:
1. FILTER
Used to protect your eye from sun rays.
Shown in in-use position.
NSN:1290-00-155-8312
2. SLOTTED BRACKET
Used for mounting the M51 instrument light bracket
Reticle is lighted through the hole.
3. RETICLE
As seen through telescope.
Horizontal and vertical centerlines graduated to give azimuth and
elevation angles while operator is looking through elbow telescope.
Each graduation = 5 mils.
Each scale reads 0 to 85 mils.
4. OPEN SIGHT
As seen through telescope.
Horizontal and vertical centerlines graduated to give azimuth and
elevation angles while operator is looking through elbow telescope.
Each graduation = 5 mils.
Each scale reads 0 to 85 mils.
Allows fast telescope orientation,
5, REFLECTOR
Allows backlighting by artillery weapon's fire control instruments.
Can be lighted at night with the M51 instrument light hand light.
6, EYESHIELD
Blocks light entering your eye from the side.
NSN: 6650-00-155-8331
Change 1
23
