Model: 7577959

Optical Instrument Lens

Properties:

Diameter
1.343 inches
Length
0.884 inches
Axial Thickness
0.468 inches and 0.295 inches
Compound Lensaxial Thickness
0.768 inches
Compound Lens Edge Thickness
0.884 inches
Equivalent Focal Length
6.390 inches
Back Focal Length
5.124 inches
Refraction Index
1.5725 and 1.6490
Abbe Constant
57.400 and 33.800
Compound Lens Style
Doublet
Individual Lens Style
Plano-convex and plano-concave
Element Left Surface Radius
-98.717 inches and 1.376 inches
Element Right Surface Radius
-98.717 inches and -0.910 inches
Material
Glass, optical, jan-g-174, grade c
Material
Glass, optical, jan-g-174, grade c
Fsc Application Data
Periscope, integrated with fire control equipment
NSN
6650-00-757-7959
Part Number
7577959
Description
Lens,optical Instrument
CAGE
19200

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 7577959 NSN 6650-00-757-7959

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:
U
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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