Optical Instrument Lens NSN 6650-00-382-1898

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: 6650-00-382-1898

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Features and Characteristics

Diameter

1.417 inches

Axial Thickness

0.276 inches and 0.118 inches

Compound Lensaxial Thickness

0.394 inches

Compound Lens Edge Thickness

0.324 inches

Equivalent Focal Length

7.147 inches

Back Focal Length

6.931 inches

Front Focal Length

7.113 inches

Refraction Index

1.5720 and 1.6190

Abbe Constant

57.400 and 36.600

Compound Lens Style

Doublet

Individual Lens Style

Double convex and meniscus diverging

Element Left Surface Radius

-2.323 inches and 4.507 inches

Element Right Surface Radius

-2.323 inches and -18.915 inches

Material

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

Material

Glass optical

Material Specification

Mil-g-174, class 1, grade c military specification single material response

Fsc Application Data

Fire control, telescope, mk 74

FSC

6650 Components And Accessories Test Equipment Optical Instruments

NIIN

003821898

NSN

6650003821898

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

118923PC2XPC3

Cage Code:

10001

Status:

MSDS:

Part Number:

LD172589GP130

Cage Code:

10001

Status:

MSDS:

Part Number:

LD172589GP4

Cage Code:

10001

Status:

MSDS:

Part Number:

3000088

Cage Code:

52808

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 6650-00-382-1898

What are the manufacturers of nsn 6650003821898?

Does this nsn 6650003821898 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6650003821898
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 6650003821898 contain any precious metals?
No precious metal content.

Does nsn 6650003821898 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6650003821898?
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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