Optical Instrument Lens NSN 6650-00-382-1826

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: 6650-00-382-1826

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Features and Characteristics

Diameter

1.929 inches

Axial Thickness

0.748 inches and 0.158 inches

Compound Lensaxial Thickness

0.906 inches

Compound Lens Edge Thickness

0.557 inches

Equivalent Focal Length

3.451 inches

Back Focal Length

3.569 inches

Front Focal Length

2.762 inches

Refraction Index

1.5170 and 1.6210

Abbe Constant

64.300 and 36.600

Compound Lens Style

Doublet

Individual Lens Style

Double convex and plano-concave

Element Left Surface Radius

-1.488 inches and 1.488 inches

Element Right Surface Radius

-1.488 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 63

FSC

6650 Components And Accessories Test Equipment Optical Instruments

NIIN

003821826

NSN

6650003821826

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

LD172589PC38

Cage Code:

53711

Status:

MSDS:

Part Number:

LD172589GP38

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 6650-00-382-1826

What are the manufacturers of nsn 6650003821826?

Naval Sea Systems Command (53711)
Navair And Navsea Managed (10001)

Does this nsn 6650003821826 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6650003821826
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 6650003821826 contain any precious metals?
No precious metal content.

Does nsn 6650003821826 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6650003821826?
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