Model: CR39

Observation Window
Description:

5.688 inches overall diameter, 0.063 inches overall thickness, clear material transparency, four 0.144 in. Dia. Mtg. Holes spaced 90 deg. Apart on 2.672 in.Radius .

Special Features:

Four 0.144 in. Dia. Mtg. Holes spaced 90 deg. Apart on 2.672 in.Radius

Properties:

Overall Diameter
5.688 inches
Overall Thickness
0.063 inches
Material Transparency
Clear
Material
Plastic
Style Designator
Circular
Fsc Application Data
Electrical and electronic properties measuring and testinginstruments
NSN
9330-00-049-7774
Part Number
CR39
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 CR39 NSN 9330-00-049-7774

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:
P
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
156300
UFC:
77825
LTL:
RATING VARIABLE
LCL:
--
WCC:
772
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 3926909987
  • SITC: 89399
  • End Use: Other industrial supplies
  • NAICS: 326199
  • USDA: 1

Freight Class: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi

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