Model: 99645

Observation Window

Properties:

Ply Quantity
1
Overall Length
Between 2.859 inches and 2.875 inches
Overall Width
Between 2.484 inches and 2.500 inches
Overall Thickness
0.250 inches
Surface Finish
Polished
First Corner Radius
0.094 inches
Second Corner Radius
0.094 inches
Third Corner Radius
0.094 inches
Material Transparency
Clear
Fourth Corner Radius
0.094 inches
Material
Glass, laminated
Material Specification
Mil-g-3787, class 1, type 1 military specification single material response
Style Designator
Rounded corners
NSN
9340-00-171-4544
Part Number
99645
Description
Window,observation
CAGE

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.

Part 99645 NSN 9340-00-171-4544

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16880
FIIG:
A15000
Concept No.:
App. Key:
F
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7016900000
  • SITC: 66496
  • End Use: Glass-plate, sheet, etc.
  • NAICS: 327215
  • USDA: 1

Freight Class: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass

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