Model: 322979PC2

Optical Instrument Lens

Properties:

Diameter
0.964 inches
Axial Thickness
0.078 inches and 0.314 inches
Compound Lensaxial Thickness
0.393 inches
Compound Lens Edge Thickness
0.241 inches
Equivalent Focal Length
1.590 inches
Back Focal Length
1.390 inches
Front Focal Length
1.555 inches
Refraction Index
1.6490 and 1.5720
Abbe Constant
33.800 and 57.400
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
3.711 inches and 0.850 inches
Element Right Surface Radius
-1.027 inches and 0.850 inches
Material
Glass, optical, jan-g-174, grade c
Material
Glass, optical, jan-g-174, grade c
Fsc Application Data
Fire control, range finder mk 63
NSN
6650-00-155-3294
Part Number
322979PC2
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 322979PC2 NSN 6650-00-155-3294

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

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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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