Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
Edges beveled 0.005 to 0.010 in. By 45 deg. Rim and beveled edges ground.
NSN
National Stock Number:
TXT
Description:
Optical Instrument Lens
MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the circumference.ABMZ
Diameter:
Between 0.557 inches and 0.560 inches
MRC:
A measurement of the axial thickness of an item,in distinction from length or width.BMLY
Axial Thickness:
Between 0.108 inches and 0.128 inches
MRC:
A measurement of the longest dimension from the center of a lens to either of its focal points,in distinction from width.BMMS
Equivalent Focal Length:
3.176 inches
MRC:
A measurement of the longest reciprocal dimension from the back surface of the lens to the secondary focal point,in distinction from width.BMMT
Back Focal Length:
3.098 inches
MRC:
An indication of the ratio of the speed of light in the first medium to its speed in the second medium.BMMX
Refraction Index:
1.5230
MRC:
The fixed angle of refraction of the abbe prism.BMMZ
Abbe Constant:
58.600
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of a single lens.BMSB
Single Lens Style:
Plano-convex
MRC:
The radius of the left surface of the element.CTKW
Element Left Surface Radius:
1.661 inches
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Glass, optical, mil-g-174, class 1, grade b, type 523-586
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Glass, optical, mil-g-174, class 1, grade b, type 523-586
MRC:
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.ZZZV
Fsc Application Data:
Trainer, tank gunnery
