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Optical Instrument Lens NSN 6650-00-382-1874

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 6650-00-382-1874 NSN: 6650-00-382-1874

Features and Characteristics

Diameter
2.480 inches
Axial Thickness
0.354 inches and 0.197 inches
Compound Lensaxial Thickness
0.551 inches
Compound Lens Edge Thickness
0.461 inches
Equivalent Focal Length
16.722 inches
Back Focal Length
16.422 inches
Front Focal Length
16.675 inches
Refraction Index
1.5740 and 1.6210
Abbe Constant
57.700 and 36.600
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
-5.866 inches and 10.542 inches
Element Right Surface Radius
-5.866 inches and -46.446 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
1. Fire control, telescope, mk66
FSC
6650 Components And Accessories Test Equipment Optical Instruments
NIIN
003821874
NSN
6650003821874

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
LD172589PC94
Cage Code:
53711
Status:
A
MSDS:
Part Number:
LD172589GP94
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 6650-00-382-1874
What are the manufacturers of nsn 6650003821874?
Does this nsn 6650003821874 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6650003821874
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 6650003821874 contain any precious metals?
No precious metal content.
Does nsn 6650003821874 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6650003821874?
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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