Optical Instrument Lens NSN 6650-00-157-4139

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: 6650-00-157-4139

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Features and Characteristics

Diameter

29.0 millimeters

End Application

Rangefinder mk42

Axial Thickness

2.0 millimeters and 9.0 millimeters

Compound Lensaxial Thickness

11.0 millimeters

Equivalent Focal Length

7.250 centimeters

Back Focal Length

7.456 centimeters

Refraction Index

1.6490 and 1.5185

Abbe Constant

33.800 and 59.600

Compound Lens Style

Dialyte

Individual Lens Style

Meniscus diverging and double convex

Element Left Surface Radius

8565.0 millimeters and 28.2 millimeters

Element Right Surface Radius

-28.2 millimeters and 28.7 millimeters

Material

Glass, optical, jan-g-174

Material

Glass, optical, jan-g-174

FSC

6650 Components And Accessories Test Equipment Optical Instruments

NIIN

001574139

NSN

6650001574139

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

799640PC1

Cage Code:

10001

Status:

MSDS:

Part Number:

G8110PC15

Cage Code:

74067

Status:

MSDS:

Part Number:

203034PC15

Cage Code:

10001

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 6650-00-157-4139

What are the manufacturers of nsn 6650001574139?

Navair And Navsea Managed (10001)
Keuffel And Esser Co (74067)

Does this nsn 6650001574139 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6650001574139
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 6650001574139 contain any precious metals?
No precious metal content.

Does nsn 6650001574139 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6650001574139?
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
Quality Fast Service