Optical Instrument Lens NSN 6650-00-155-1764

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: 6650-00-155-1764

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Features and Characteristics

Diameter

5.0 millimeters

End Application

Rangefinder mk57

Axial Thickness

2.2 millimeters and 1.1 millimeters

Compound Lensaxial Thickness

3.3 millimeters

Equivalent Focal Length

2.700 centimeters

Back Focal Length

2.720 centimeters

Front Focal Length

2.760 centimeters

Refraction Index

1.5725 and 1.6170

Abbe Constant

57.400 and 36.600

Compound Lens Style

Doublet

Individual Lens Style

Double convex and meniscus diverging

Element Left Surface Radius

22.1 millimeters and -8.5 millimeters

Element Right Surface Radius

8.5 millimeters and 30.7 millimeters

Material

Glass, optical, jan-g-174

Material

Glass, optical, jan-g-174

FSC

6650 Components And Accessories Test Equipment Optical Instruments

NIIN

001551764

NSN

6650001551764

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

745659PC1

Cage Code:

53711

Status:

MSDS:

Part Number:

278694PC14

Cage Code:

64804

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 6650-00-155-1764

What are the manufacturers of nsn 6650001551764?

Does this nsn 6650001551764 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6650001551764
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 6650001551764 contain any precious metals?
No precious metal content.

Does nsn 6650001551764 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6650001551764?
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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