Optical Instrument Lens NSN 6650-00-026-8135

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: 6650-00-026-8135

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Features and Characteristics

Diameter

2.283 inches

Axial Thickness

0.345 inches and 0.276 inches

Compound Lensaxial Thickness

0.622 inches

Compound Lens Edge Thickness

0.577 inches

Equivalent Focal Length

27.562 inches

Back Focal Length

27.169 inches

Front Focal Length

27.559 inches

Refraction Index

1.5170 and 1.6170

Abbe Constant

64.500 and 36.600

Compound Lens Style

Doublet

Individual Lens Style

Double convex and meniscus diverging

Element Left Surface Radius

-11.681 inches and 13.078 inches

Element Right Surface Radius

-11.681 inches and 116.157 inches

Material

Glass, optical, jan-g-174, grade c

Material

Glass, optical, jan-g-174, grade c

Fsc Application Data

Fire control, range finder mk 37 mod 5

FSC

6650 Components And Accessories Test Equipment Optical Instruments

NIIN

000268135

NSN

6650000268135

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

278702PC11

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 6650-00-026-8135

What are the manufacturers of nsn 6650000268135?

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

Does this nsn 6650000268135 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6650000268135
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 6650000268135 contain any precious metals?
No precious metal content.

Does nsn 6650000268135 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6650000268135?
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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