Optical Instrument Lens NSN 6650-00-768-8718

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: 6650-00-768-8718

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Features and Characteristics

Diameter

Between 1.062 inches and 1.065 inches

Axial Thickness

Between 0.108 inches and 0.128 inches and 0.384 inches and 0.404 inches

Compound Lensaxial Thickness

Between 0.492 inches and 0.532 inches

Compound Lens Edge Thickness

0.469 inches

Equivalent Focal Length

35.620 inches

Refraction Index

1.5110 and 1.7200

Abbe Constant

63.500 and 29.300

Compound Lens Style

Doublet

Individual Lens Style

Double convex and double concave

Element Left Surface Radius

1.575 inches

Element Right Surface Radius

1.087 inches

Special Features

Front and back surfaces coated with magnesium fluoride. All edges chamfered 0.020 in. Min. By 45 deg. Rim and chamfers ground.

Material

Glass, optical, mil-g-174, class 1, grade c, type 511-635 and glass, optical, mil-g-174, class 1, grade c, type 720-293

Material

Glass, optical, mil-g-174, class 1, grade c, type 511-635 and glass, optical, mil-g-174, class 1, grade c, type 720-293

Fsc Application Data

Periscope, tank

FSC

6650 Components And Accessories Test Equipment Optical Instruments

NIIN

007688718

NSN

6650007688718

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

7688718

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 6650-00-768-8718

What are the manufacturers of nsn 6650007688718?

Us Army Ardec Rdecom (19200)

Does this nsn 6650007688718 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6650007688718
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 6650007688718 contain any precious metals?
No precious metal content.

Does nsn 6650007688718 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6650007688718?
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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