Optical Instrument Lens NSN 6650-00-820-4577

Item Description

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.

NSN: 6650-00-820-4577

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Features and Characteristics

Diameter

50.000 millimeters

Axial Thickness

7.000 inches and 4.500 inches

Compound Lensaxial Thickness

11.500 millimeters

Compound Lens Edge Thickness

9.000 millimeters

Equivalent Focal Length

23.416 centimeters

Back Focal Length

22.030 centimeters

Front Focal Length

24.145 centimeters

Refraction Index

1.6170 and 1.6890

Abbe Constant

55.000 and 30.900

Compound Lens Style

Doublet

Individual Lens Style

Plano-convex and plano-concave

Element Left Surface Radius

72.460 millimeters and 485.290 millimeters

Element Right Surface Radius

485.290 millimeters and 158.060 millimeters

Material

Glass

Material

Glass

FSC

6650 Components And Accessories Test Equipment Optical Instruments

NIIN

008204577

NSN

6650008204577

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

68-701

Cage Code:

78039

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 9018500000
NAICS: 339115
SITC: 87225
Description: Other ophthalmic instruments and appliances and parts and accessories
End Use (Code 21610):
Medicinal equipment

Q & A

Frequently asked questions for NSN 6650-00-820-4577

What are the manufacturers of nsn 6650008204577?

Leica Inc (78039)
American Optical Co (02622)

Does this nsn 6650008204577 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6650008204577
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.

Does nsn 6650008204577 contain any precious metals?
No precious metal content.

Does nsn 6650008204577 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6650008204577?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

21884

FIIG:

T271-E

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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