Model: 20832

Optical Instrument Lens

Properties:

Diameter
50.0 millimeters
Axial Thickness
3.7 millimeters and 7.5 millimeters
Compound Lensaxial Thickness
11.2 millimeters
Compound Lens Edge Thickness
11.0 millimeters
Equivalent Focal Length
18.460 centimeters
Back Focal Length
19.490 centimeters
Front Focal Length
18.170 centimeters
Compound Lens Style
Doublet
Individual Lens Style
Double concave and double convex
Material
Glass, optical
Material
Glass optical
NSN
6650-00-382-1749
Part Number
20832
Description
Lens,optical Instrument
CAGE
21587

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 20832 NSN 6650-00-382-1749

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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