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Optical Instrument Window NSN 1240-01-118-9964

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 1240-01-118-9964 NSN: 1240-01-118-9964

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Features and Characteristics

Diameter
Between 2.360 inches and 2.364 inches
Thickness
0.250 inches
Surface Finish
Ground and polished
Polished Surface
Both
Polished Periphery
Not provided
Material
Glass, optical, mil-g-174, class 1, grade b
Material
Glass, optical, mil-g-174, class 1, grade b
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
011189964
NSN
1240011189964

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12293803
Cage Code:
18876
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 1240-01-118-9964
What are the manufacturers of nsn 1240011189964?
Does this nsn 1240011189964 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240011189964
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 1240011189964 contain any precious metals?
No precious metal content.
Does nsn 1240011189964 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240011189964?
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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