Model: LD172589PC111

Optical Instrument Lens

Properties:

Diameter
1.299 inches
Axial Thickness
0.205 inches and 0.216 inches
Compound Lensaxial Thickness
0.421 inches
Compound Lens Edge Thickness
0.317 inches
Equivalent Focal Length
9.759 inches
Back Focal Length
9.525 inches
Front Focal Length
9.730 inches
Refraction Index
1.5730 and 1.6210
Abbe Constant
57.400 and 36.200
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
-3.682 inches and 5.852 inches
Element Right Surface Radius
-3.682 inches and -34.357 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
Fire control, telescope, mk61 mod
NSN
6650-00-382-1884
Part Number
LD172589PC111
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 LD172589PC111 NSN 6650-00-382-1884

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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