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Optical Instrument Window NSN 1240-01-068-0743

Item Description

A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.

NSN 1240-01-068-0743 NSN: 1240-01-068-0743

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Features and Characteristics

Diameter
Between 2.623 inches and 2.625 inches
Thickness
Between 0.245 inches and 0.255 inches
Surface Finish
Ground and polished
Polished Periphery
Provided
Material
Glass, optical, mil-g-174
Material
Glass optical
Material Specification
Mil-g-174 military specification single material response
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
010680743
NSN
1240010680743

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12266718
Cage Code:
19207
Status:
A
MSDS:
Part Number:
42029
Cage Code:
93706
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9803200000
  • NAICS: 990000
  • SITC: 93100
  • Description: Military equipments not identified by kind
  • End Use (Code 50060):
    Military apparel and footwear

Q & A

Frequently asked questions for NSN 1240-01-068-0743
What are the manufacturers of nsn 1240010680743?
Does this nsn 1240010680743 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240010680743
A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. this item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.
Does nsn 1240010680743 contain any precious metals?
No precious metal content.
Does nsn 1240010680743 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240010680743?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
10908
FIIG:
T271-F
App. Key:
FA
Cond. Code:
2
Status:
A

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