Model: 7660733

Optical Instrument Lens

Properties:

Diameter
1.900 inches
Axial Thickness
0.158 inches and 0.472 inches
Compound Lensaxial Thickness
0.630 inches
Compound Lens Edge Thickness
0.562 inches
Equivalent Focal Length
13.161 inches
Back Focal Length
12.454 inches
Refraction Index
1.5725 and 1.5125
Abbe Constant
42.500 and 60.500
Compound Lens Style
Doublet
Individual Lens Style
Meniscus diverging and meniscus converging
Element Left Surface Radius
3.661 inches
Element Right Surface Radius
1.705 inches
Material
Glass, optical, mil-g-174, class 1, grade b
Material
Glass, optical, mil-g-174, class 1, grade b
Fsc Application Data
Periscope, integrated with fire control equipment
NSN
6650-00-766-0733
Part Number
7660733
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 7660733 NSN 6650-00-766-0733

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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