Model: LD172600PC23

Optical Instrument Lens

Properties:

Diameter
2.598 inches
Axial Thickness
0.394 inches and 0.394 inches
Compound Lensaxial Thickness
0.787 inches
Compound Lens Edge Thickness
0.746 inches
Equivalent Focal Length
18.905 inches
Back Focal Length
18.424 inches
Front Focal Length
18.890 inches
Refraction Index
1.5724 and 1.6168
Abbe Constant
57.400 and 36.600
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Material
Glass, optical, jan-g-174, grade c
Material
Glass, optical, jan-g-174, grade c
Fsc Application Data
Fire control, periscope mk30 mod 2
NSN
6650-00-382-1958
Part Number
LD172600PC23
Description
Lens,optical Instrument
CAGE
53711

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 LD172600PC23 NSN 6650-00-382-1958

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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