Model: LD172591PC17

Optical Instrument Lens

Properties:

Diameter
20.0 millimeters
Axial Thickness
4.0 millimeters and 3.0 millimeters
Compound Lensaxial Thickness
7.0 millimeters
Compound Lens Edge Thickness
7.0 millimeters
Equivalent Focal Length
198.170 centimeters or 120.870 centimeters
Back Focal Length
196.060 centimeters or 120.680 centimeters
Refraction Index
1.5110 and 1.5838
Abbe Constant
63.500 and 46.000
Compound Lens Style
Doublet
Individual Lens Style
Double convex and plano-concave
Element Left Surface Radius
771.3 millimeters and -705.7 millimeters
Element Right Surface Radius
771.3 millimeters and 0.0 millimeters
Material
Glass, optical, jan-g-174, grade a
Material
Glass, optical, jan-g-174, grade a
NSN
6650-00-382-1912
Part Number
LD172591PC17
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 LD172591PC17 NSN 6650-00-382-1912

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
058110
UFC:
33110
LTL:
200.0
LCL:
--
WCC:
651
TCC:
Z
SHC:
9
ACC:
Medical Supplies

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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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