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Observation Window NSN 9340-00-400-2958

Item Description

A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.

NSN 9340-00-400-2958 NSN: 9340-00-400-2958

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Features and Characteristics

Ply Quantity
4
Overall Length
29.375 inches
Overall Width
26.250 inches
Overall Thickness
1.740 inches
Environmental Protection
Weather resistant
Surface Finish
Polished
Material Transparency
Clear
Tempurature At Maximum Operating Pressure
150.0 degrees fahrenheit
Edge Type
Flat finish
Hardness Rating
1800.0 mohs
Special Features
5/16 in. Busbar around window perimeter
Material
Glass
Material Specification
Dd-g-451, type 1 federal specification single material response
Style Designator
Square corners
Reference Number Differentiating Characteristics
As differentiated by symbol 12-17
FSC
9340 Glass Fabricated Materials
NIIN
004002958
NSN
9340004002958

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
KS11678A
Cage Code:
81100
Status:
A
MSDS:
Part Number:
MILG2857
Cage Code:
81349
Status:
A
MSDS:
Part Number:
KS11678ASYM12 17
Cage Code:
81100
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7016900000
  • NAICS: 327215
  • SITC: 66496
  • Description: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass
  • End Use (Code 13200):
    Glass-plate, sheet, etc.

Q & A

Frequently asked questions for NSN 9340-00-400-2958
What are the manufacturers of nsn 9340004002958?
Does this nsn 9340004002958 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 9340004002958
A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. it may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. it is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. see window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.
Does nsn 9340004002958 contain any precious metals?
No precious metal content.
Does nsn 9340004002958 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 9340004002958?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
16880
FIIG:
A15000
App. Key:
F
Cond. Code:
2
Status:
A

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