Model: LD172589PC50

Optical Instrument Lens

Properties:

Diameter
2.087 inches
Axial Thickness
0.394 inches and 0.177 inches
Compound Lensaxial Thickness
0.571 inches
Compound Lens Edge Thickness
0.401 inches
Equivalent Focal Length
7.587 inches
Back Focal Length
7.331 inches
Front Focal Length
7.468 inches
Refraction Index
1.5110 and 1.6490
Abbe Constant
63.500 and 33.800
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
-3.183 inches and 4.921 inches
Element Right Surface Radius
-3.183 inches and -8.941 inches
Material
Glass, optical, mil-g-174, class 1, grade c
Material
Glass optical
Material Specification
Mil-g-174, class 1, grade c military specification single material response
Fsc Application Data
Fire control, telescope, mk91, mod
NSN
6650-00-382-1835
Part Number
LD172589PC50
Description
Lens,optical Instrument
CAGE
10001

An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see window, optical instrument. Excludes reticle, optical instrument.

Part LD172589PC50 NSN 6650-00-382-1835

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
21884
FIIG:
T271-E
Concept No.:
1
App. Key:
EA
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
05
LVL_A:
E
LVL_B:
Q

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Schedule B and Export
  • Schedule B: 9018500000
  • SITC: 87225
  • End Use: Medicinal equipment
  • NAICS: 339115
  • USDA: 1

Freight Class: Other ophthalmic instruments and appliances and parts and accessories

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