Model: 8289293

Optical Instrument Lens

Properties:

Diameter
Between 1.696 inches and 1.699 inches
Axial Thickness
0.280 inches and 0.118 inches
Compound Lensaxial Thickness
0.398 inches
Equivalent Focal Length
8.819 inches
Back Focal Length
8.608 inches
Front Focal Length
8.210 inches
Refraction Index
1.5125 and 1.6210
Abbe Constant
60.500 and 36.200
Compound Lens Style
Doublet
Individual Lens Style
Double convex and plano-concave
Element Left Surface Radius
3.668 inches
Element Right Surface Radius
3.668 inches
Material
Glass, optical, mil-g-174, class 1, grade c, form plates
Material
Glass, optical, mil-g-174, class 1, grade c, form plates
NSN
6650-00-622-4990
Part Number
8289293
Description
Lens,optical Instrument
CAGE
19200

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 8289293 NSN 6650-00-622-4990

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
057940
UFC:
33020
LTL:
RATING VARIABLE
LCL:
RATING VARIABLE
WCC:
744
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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