Model: 12285259

Optical Instrument Lens

Properties:

Diameter
2.498 inches
Compound Lensaxial Thickness
0.600 inches
Refraction Index
1.5730 and 1.6890
Abbe Constant
57.500 and 31.200
Compound Lens Style
Doublet
Individual Lens Style
Double convex and plano-concave
Element Left Surface Radius
6.501 inches and 8.859 inches
Element Right Surface Radius
8.859 inches and 0.000 inches
Material
Glass, optical, mil-g-174, class 1, grade b, type 573-575 and glass, optical, mil-g-174, class 1, grade b, type 689-312
Material
Glass, optical, mil-g-174, class 1, grade b, type 573-575 and glass, optical, mil-g-174, class 1, grade b, type 689-312
NSN
6650-01-078-7722
Part Number
12285259
Description
Lens,optical Instrument
CAGE

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 12285259 NSN 6650-01-078-7722

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:
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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