Part Number SM-D-805012

Optical Instrument Lens

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
sm-d-805012
Demil:
Yes - DEMIL/MLI
Shelf Life:
UOM:
NIIN:
012020596

Part Information
Lens no. 6, biocular eyepiece; matl: optical glass (lafn2) per mil-g-174, grade a/b, stain 4, fine anneal, type 744-448 (802199-43); r1, 1.955 radius of lens outside (left) surface; r2, 4.0645 radius of lens inside (right) surface; 0.180 distance between base and inside axis; used in biocular assembly on comm and gun disp

NSN
National Stock Number:
6650-01-202-0596 6650012020596
TXT
Description:
Optical Instrument Lens
INC
INC
Item Name Code:
21884
INC
COM
Compliance:
* ITAR Controlled
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 2.498 inches and 2.500 inches
MRC:
A measurement of the axial thickness of an item,in distinction from length or width.BMLY
Axial Thickness:
Between 0.3269 inches and 0.3369 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:
4.728 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:
4.385 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of a single lens.BMSB
Single Lens Style:
Meniscus converging
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Glass, optical, mil-g-174, grade a and glass, optical, mil-g-174, grade b
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Glass, optical, mil-g-174, grade a and glass, optical, mil-g-174, grade b

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