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Optical Instrument Lens NSN 6650-00-157-4138

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 6650-00-157-4138 NSN: 6650-00-157-4138

Features and Characteristics

Diameter
31.0 millimeters
End Application
Rangefinder mk42
Axial Thickness
6.0 millimeters and 3.0 millimeters
Compound Lensaxial Thickness
9.0 millimeters
Equivalent Focal Length
19.430 centimeters
Back Focal Length
19.250 centimeters
Refraction Index
1.5055 and 1.5105
Abbe Constant
43.500 and 63.700
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
117.4 millimeters and -45.1 millimeters
Element Right Surface Radius
45.1 millimeters and 306.3 millimeters
Material
Glass, optical, jan-g-174
Material
Glass, optical, jan-g-174
FSC
6650 Components And Accessories Test Equipment Optical Instruments
NIIN
001574138
NSN
6650001574138

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
799638
Cage Code:
10001
Status:
A
MSDS:
Part Number:
799638PC1
Cage Code:
53711
Status:
A
MSDS:
Part Number:
G8110PC9
Cage Code:
74067
Status:
A
MSDS:
Part Number:
203034PC9
Cage Code:
10001
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 6650-00-157-4138
What are the manufacturers of nsn 6650001574138?
Does this nsn 6650001574138 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6650001574138
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 6650001574138 contain any precious metals?
No precious metal content.
Does nsn 6650001574138 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6650001574138?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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