Model: 164B7556P4

Observation Window

Properties:

Overall Length
Between 1.070 inches and 1.090 inches
Overall Width
Between 0.560 inches and 0.580 inches
Overall Thickness
Between 0.043 inches and 0.053 inches
Environmental Protection
Any acceptable
Surface Finish
Polished
First Corner Radius
Between 0.110 inches and 0.140 inches
Second Corner Radius
Between 0.110 inches and 0.140 inches
Third Corner Radius
Between 0.110 inches and 0.140 inches
Material Transparency
Clear
Fourth Corner Radius
Between 0.110 inches and 0.140 inches
Material
Glass
Style Designator
Rounded corners
NSN
9340-00-497-7557
Part Number
164B7556P4
Description
Window,observation
CAGE
89954

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 164B7556P4 NSN 9340-00-497-7557

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
086700
UFC:
45955
LTL:
RATING VARIABLE
LCL:
--
WCC:
704
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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