Model: H677-2601-347

Observation Window

Special Features:

Window has emi shielding via a very thin deposit of ectc (electrically conductive transparent coating - tecknit silver acrylic) onto the glass; provided with emi gasketing; has resistivity of 14.0 ohms/square and light transmission of about 70 percent; drawing calls this: window assembly

Properties:

Ply Quantity
2
Overall Length
21.760 inches
Overall Width
14.000 inches
Overall Thickness
0.600 inches
End Application
Los angeles class ss (688) ; valve relief
Material Transparency
Clear
Tempurature At Maximum Operating Pressure
167.0 degrees fahrenheit
Features Provided
Conductive coating and frame
Heat Absorbing Characteristic
Low light transmission
Material
Glass
Style Designator
Square corners
NSN
9340-01-497-9536
Part Number
H677-2601-347
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 H677-2601-347 NSN 9340-01-497-9536

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:
U
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
035315
UFC:
16255
LTL:
RATING VARIABLE
LCL:
--
WCC:
704
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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