Model: 11741684

Optical Instrument Lens

Special Features:

Edges beveled 0.005 to 0.010 in. By 45 deg. Rim and beveled edges ground.

Properties:

Diameter
Between 0.557 inches and 0.560 inches
Axial Thickness
Between 0.108 inches and 0.128 inches
Equivalent Focal Length
3.176 inches
Back Focal Length
3.098 inches
Refraction Index
1.5230
Abbe Constant
58.600
Single Lens Style
Plano-convex
Element Left Surface Radius
1.661 inches
Material
Glass, optical, mil-g-174, class 1, grade b, type 523-586
Material
Glass, optical, mil-g-174, class 1, grade b, type 523-586
Fsc Application Data
Trainer, tank gunnery
NSN
6650-00-251-7512
Part Number
11741684
Description
Lens,optical Instrument
CAGE
03829

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 11741684 NSN 6650-00-251-7512

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:
058110
UFC:
33110
LTL:
200.0
LCL:
--
WCC:
651
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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