Model: 685622PC1-2

Optical Instrument Lens

Properties:

Diameter
1.535 inches
Axial Thickness
0.472 inches and 0.118 inches
Compound Lensaxial Thickness
0.591 inches
Compound Lens Edge Thickness
0.331 inches
Equivalent Focal Length
3.111 inches
Back Focal Length
2.700 inches
Front Focal Length
3.156 inches
Refraction Index
1.5725 and 1.6439
Abbe Constant
57.500 and 33.800
Compound Lens Style
Doublet
Individual Lens Style
Double convex and plano-concave
Element Left Surface Radius
-1.614 inches and 1.575 inches
Element Right Surface Radius
-1.614 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
1. Optical sighting and ranging equipment
NSN
6650-00-382-1881
Part Number
685622PC1-2
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 685622PC1-2 NSN 6650-00-382-1881

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:
--
WCC:
653
TCC:
Z
SHC:
9
ACC:
Engineer 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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