Optical Instrument Lens NSN 6650-00-531-6356

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: 6650-00-531-6356

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Features and Characteristics

Diameter

1.874 inches

Axial Thickness

0.259 inches and 0.188 inches

Compound Lensaxial Thickness

0.447 inches

Compound Lens Edge Thickness

0.350 inches

Equivalent Focal Length

10.725 inches

Back Focal Length

10.525 inches

Refraction Index

1.5170 and 1.6490

Abbe Constant

64.500 and 33.800

Compound Lens Style

Doublet

Individual Lens Style

Double convex and plano-concave

Element Left Surface Radius

-4.630 inches and 6.601 inches

Element Right Surface Radius

-4.630 inches and 14.788 inches

Material

Glass, optical, mil-g-174, class 1, grade b

Material

Glass, optical, mil-g-174, class 1, grade b

Fsc Application Data

Telescope, bc, m65, integrated with fire control equipment

FSC

6650 Components And Accessories Test Equipment Optical Instruments

NIIN

005316356

NSN

6650005316356

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

5316356

Cage Code:

19200

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 6650-00-531-6356

What are the manufacturers of nsn 6650005316356?

Does this nsn 6650005316356 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6650005316356
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 6650005316356 contain any precious metals?
No precious metal content.

Does nsn 6650005316356 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6650005316356?
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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Certificate of Conformance
Quality Inspected Parts
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