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Optical Instrument Lens NSN 6650-01-271-8239

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 6650-01-271-8239 NSN: 6650-01-271-8239

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Features and Characteristics

Diameter
Between 3.133 inches and 3.137 inches
Length
0.418 inches
Axial Thickness
Between 0.204 inches and 0.208 inches
Single Lens Style
Meniscus diverging
Element Left Surface Radius
4.932 inches
Element Right Surface Radius
11.110 inches
Special Features
Coated with reflective material; edges to be chamfer to 45 deg; center ofglass hole shell be .500 in. Dia
Material
Glass, optical, mil-g-174, grade a, type 517-642
Material
Glass, optical, mil-g-174, grade a, type 517-642
FSC
6650 Components And Accessories Test Equipment Optical Instruments
NIIN
012718239
NSN
6650012718239

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SM-D-850293
Cage Code:
80063
Status:
A
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 6650-01-271-8239
What are the manufacturers of nsn 6650012718239?
Does this nsn 6650012718239 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6650012718239
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 6650012718239 contain any precious metals?
No precious metal content.
Does nsn 6650012718239 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6650012718239?
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:
EA
Cond. Code:
2
Status:
A

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