Model: 71-91090A

Observation Window

Properties:

Ply Quantity
2
Overall Length
Between 4.340 inches and 4.380 inches
Overall Width
Between 3.340 inches and 3.380 inches
Overall Thickness
Between 0.115 inches and 0.135 inches
First Corner Radius
Between 0.120 inches and 0.180 inches
Second Corner Radius
Between 0.120 inches and 0.180 inches
Third Corner Radius
Between 0.120 inches and 0.180 inches
Material Transparency
Clear
Fourth Corner Radius
Between 0.120 inches and 0.180 inches
Wire Mesh Pattern
Square
Edge Type
Flat finish
Color
Gray
Material
Glass
Material Specification
Dd-g-451 federal specification single material response
Style Designator
Rounded corners
NSN
9340-01-273-3976
Part Number
71-91090A
Description
Window,observation
CAGE
07700

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 71-91090A NSN 9340-01-273-3976

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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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