Part Number LD172600PC27

Optical Instrument Lens

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
ld172600pc27
Demil:
Yes - DEMIL/MLI
Shelf Life:
UOM:
NIIN:
003821962
NSN
National Stock Number:
6650-00-382-1962 6650003821962
TXT
Description:
Optical Instrument Lens
INC
INC
Item Name Code:
21884
INC
COM
Compliance:
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:
1.772 inches
MRC:
A measurement of the axial thickness of an item,in distinction from length or width.BMLY
Axial Thickness:
0.827 inches
MRC:
A measurement of the smallest dimension across the edge of a compound lens from one surface to the other,in distinction from length or width.BMMP
Compound Lens Edge Thickness:
0.534 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:
2.905 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:
2.967 inches
MRC:
A measurement of the longest dimension from the primary focal point to the front surface of a lens.BMMW
Front Focal Length:
2.333 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:
1.5744 and 1.6489
MRC:
The fixed angle of refraction of the abbe prism.BMMZ
Abbe Constant:
57.700 and 33.800
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of a compound lens.BMSC
Compound Lens Style:
Doublet
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of an individual lens.BMSD
Individual Lens Style:
Double convex and plano-concave
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Glass, optical, jan-g-174, grade c
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Glass, optical, jan-g-174, grade c
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:
Fire control, periscope mk 23

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