Model: Y56169

Optical Instrument Lens

Properties:

Diameter
2.440 inches
Axial Thickness
0.413 inches
Equivalent Focal Length
3.740 inches
Back Focal Length
3.610 inches
Refraction Index
1.6200
Abbe Constant
60.300
Single Lens Style
Double convex
Individual Lens Style
Double convex
Element Left Surface Radius
4.559 inches
Element Right Surface Radius
-4.559 inches
Material
Glass, optical, mil-g-174, class 1, grade c, type 620-603
Material
Glass, optical, mil-g-174, class 1, grade c, type 620-603
Fsc Application Data
Telescope, m76c, integrated with fire control equip
NSN
6650-00-532-1552
Part Number
Y56169
Description
Lens,optical Instrument
CAGE
19139

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 Y56169 NSN 6650-00-532-1552

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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