Model: 1240006839551

Optical Instrument Lens

Properties:

Diameter
2.244 inches
Axial Thickness
0.161 inches and 0.709 inches
Compound Lensaxial Thickness
0.870 inches
Compound Lens Edge Thickness
0.5625 inches
Equivalent Focal Length
106.870 inches
Front Focal Length
88.273 inches
Refraction Index
1.5200 and 1.6890
Abbe Constant
30.900 and 58.600
Compound Lens Style
Doublet
Individual Lens Style
Double concave and double convex
Element Left Surface Radius
2.015 inches
Element Right Surface Radius
6.346 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
Telescope, m105c, integrated with fire control equipment
NSN
6650-00-683-9551
Part Number
1240006839551
Description
Lens,optical Instrument
CAGE
A00AM

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 1240006839551 NSN 6650-00-683-9551

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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