Optical Instrument Lens NSN 6650-00-155-1749

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: 6650-00-155-1749

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Features and Characteristics

Diameter

51.0 millimeters

End Application

Rangefinder mk51

Axial Thickness

9.4 millimeters and 5.3 millimeters

Compound Lensaxial Thickness

19.1 millimeters

Equivalent Focal Length

44.580 centimeters

Back Focal Length

48.720 centimeters

Front Focal Length

48.070 centimeters

Refraction Index

1.9170 and 1.9170

Abbe Constant

64.500 and 36.600

Compound Lens Style

Dialyte

Individual Lens Style

Double convex and meniscus diverging

Element Left Surface Radius

241.4 millimeters and -155.5 millimeters

Element Right Surface Radius

159.9 millimeters and 906.3 millimeters

Material

Glass

Material

Glass

FSC

6650 Components And Accessories Test Equipment Optical Instruments

NIIN

001551749

NSN

6650001551749

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

278698PC6

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 6650-00-155-1749

What are the manufacturers of nsn 6650001551749?

Navair And Navsea Managed (10001)
Bausch And Lomb Inc (64804)

Does this nsn 6650001551749 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6650001551749
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 6650001551749 contain any precious metals?
No precious metal content.

Does nsn 6650001551749 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6650001551749?
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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