12279031

Diopter scale

12279031 Description

0.012 inches overall height, 33 scale division quantity, 0.660 inches overall outside diameter, pressure sensitive adhesive backing mounting configuration.

Features

Eaa is periscope, tank; nsn 1240-01-076-6747; material is per qq-a-250/1, 1100-h14; surface treatment includes photosensitizing per gg-p-455, type i, grade a, class 1, satin finish; anodize is clear; item is flat; adhesive backing is 0.002 in. Thk., no. 4 adhesive permil-p-19834, type 1

Properties of 12279031

Overall Height:
0.012 inches
Scale Division Quantity:
33
Overall Outside Diameter:
0.660 inches
Inscription Color:
Natural metallic
Mounting Configuration:
Pressure sensitive adhesive backing
Scale Unit Of Measure Inscription:
2 to 6
Material:
Aluminum
Material:
Aluminum
Surface Treatment:
Anodize
Surface Treatment:
Anodized
NSN:
1240-01-079-3002
Description:
Scale,diopter
Cage Code:

Definition Diopter Scale

A graduated scale, usually cylindrical in shape, attached to, or forming a part of, the focusing nut or knob of the eyepiece of an optical instrument. It is read in conjunction with a line or dart indicator to measure the change in refracting power of the eyepiece, in diopters, and introduces correction to compensate for the eyesight variation of the observer. It may have a knurled periphery and/or teeth on the inside diameter.

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Last modified 05/15/2024