Model: 248578-14

Optical Instrument Lens

Properties:

Diameter
1.732 inches
Axial Thickness
0.118 inches
Equivalent Focal Length
3.304 inches
Back Focal Length
3.074 inches
Front Focal Length
3.185 inches
Refraction Index
1.7220
Abbe Constant
29.300
Single Lens Style
Meniscus diverging
Material
Glass, optical, mil-g-174, grade b, type 722-293
Material
Glass, optical, mil-g-174, grade b, type 722-293
NSN
6650-00-450-1748
Part Number
248578-14
Description
Lens,optical Instrument
CAGE
89944

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 248578-14 NSN 6650-00-450-1748

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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