Optical Instrument Lens NSN 6650-00-382-1917

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: 6650-00-382-1917

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Features and Characteristics

Diameter

0.945 inches

Axial Thickness

0.091 inches and 0.256 inches

Compound Lensaxial Thickness

0.347 inches

Compound Lens Edge Thickness

0.235 inches

Equivalent Focal Length

2.362 inches

Back Focal Length

2.252 inches

Front Focal Length

2.244 inches

Refraction Index

1.5170 and 1.6490

Abbe Constant

64.500 and 33.800

Compound Lens Style

Doublet

Individual Lens Style

Double convex and meniscus diverging

Element Left Surface Radius

-0.945 inches and 2.126 inches

Element Right Surface Radius

-0.945 inches and -1.969 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, rangefinder, mk57

FSC

6650 Components And Accessories Test Equipment Optical Instruments

NIIN

003821917

NSN

6650003821917

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

LD172591GP29

Cage Code:

53711

Status:

MSDS:

Part Number:

LD172591PC29

Cage Code:

53711

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 6650-00-382-1917

What are the manufacturers of nsn 6650003821917?

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

Does this nsn 6650003821917 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6650003821917
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 6650003821917 contain any precious metals?
No precious metal content.

Does nsn 6650003821917 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6650003821917?
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