Optical Instrument Lens NSN 6650-00-382-1821

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: 6650-00-382-1821

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Features and Characteristics

Diameter

1.614 inches

Axial Thickness

0.571 inches and 0.138 inches

Compound Lensaxial Thickness

0.709 inches

Compound Lens Edge Thickness

0.426 inches

Equivalent Focal Length

2.538 inches

Back Focal Length

2.047 inches

Front Focal Length

2.591 inches

Refraction Index

1.5720 and 1.6490

Abbe Constant

57.700 and 33.800

Compound Lens Style

Doublet

Individual Lens Style

Double convex and plano-concave

Element Left Surface Radius

-1.299 inches and 1.299 inches

Element Right Surface Radius

-1.299 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 74

FSC

6650 Components And Accessories Test Equipment Optical Instruments

NIIN

003821821

NSN

6650003821821

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

LD172589GP6

Cage Code:

10001

Status:

MSDS:

Part Number:

LD172589PC6

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 6650-00-382-1821

What are the manufacturers of nsn 6650003821821?

Navair And Navsea Managed (10001)
Grayco Optical Corp (14001)

Does this nsn 6650003821821 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6650003821821
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 6650003821821 contain any precious metals?
No precious metal content.

Does nsn 6650003821821 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6650003821821?
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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