Model: 1-138638

Observation Window
Description:

1 ply quantity, 2.531 inches overall length, 1.844 inches overall width, 0.125 inches overall thickness, dry heat resistant environmental protection.

Special Features:

Protective covering material on both sides, four 0.128 in. Diameter holes centered one per side 0.141 in. From edge, anti-static coated per mil-w-80, special requirements for nuclear propulsion plant equipment contained in individual repair parts ordering data instrumentation control no. Ac3400a, line no. 0735

Properties:

Ply Quantity
1
Overall Length
2.531 inches
Overall Width
1.844 inches
Overall Thickness
0.125 inches
Environmental Protection
Dry heat resistant and weather resistant
Surface Finish
Polished
First Corner Radius
0.062 inches
Second Corner Radius
0.062 inches
Third Corner Radius
0.062 inches
Material Transparency
Clear
Fourth Corner Radius
0.062 inches
Material
Plastic acrylic
Material Specification
Mil-p-5425 military specification single material response
Style Designator
Rounded corners
Nondefinitive Specification/std Data
A finish
Departure From Cited Designator
As modified by special features
NSN
9330-00-211-5940
Part Number
1-138638
Description
Window,observation
CAGE
97370

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 1-138638 NSN 9330-00-211-5940

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:
U
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:
000000
UFC:
00000
LTL:
NO RATING
LCL:
--
WCC:
772
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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