Optical Instrument Lens NSN 6650-00-157-4138

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: 6650-00-157-4138

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Features and Characteristics

Diameter

31.0 millimeters

End Application

Rangefinder mk42

Axial Thickness

6.0 millimeters and 3.0 millimeters

Compound Lensaxial Thickness

9.0 millimeters

Equivalent Focal Length

19.430 centimeters

Back Focal Length

19.250 centimeters

Refraction Index

1.5055 and 1.5105

Abbe Constant

43.500 and 63.700

Compound Lens Style

Doublet

Individual Lens Style

Double convex and meniscus diverging

Element Left Surface Radius

117.4 millimeters and -45.1 millimeters

Element Right Surface Radius

45.1 millimeters and 306.3 millimeters

Material

Glass, optical, jan-g-174

Material

Glass, optical, jan-g-174

FSC

6650 Components And Accessories Test Equipment Optical Instruments

NIIN

001574138

NSN

6650001574138

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

799638

Cage Code:

10001

Status:

MSDS:

Part Number:

799638PC1

Cage Code:

53711

Status:

MSDS:

Part Number:

G8110PC9

Cage Code:

74067

Status:

MSDS:

Part Number:

203034PC9

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 6650-00-157-4138

What are the manufacturers of nsn 6650001574138?

Does this nsn 6650001574138 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6650001574138
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 6650001574138 contain any precious metals?
No precious metal content.

Does nsn 6650001574138 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6650001574138?
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