National Item Identification Number
00-563-3918
005633918
9330-00-563-3918
9330005633918
National Stock Number
Item Name
WINDOW,OBSERVATION
Federal Supply Class
9330
Description
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.
Commercial and Government Entity Code (Supplier Data)
18876
19200
Reference Numbers (Part Numbers)
8173968
8173968
8173968
Required Categories
STYLE DESIGNATOR
OVERALL DIAMETER
OVERALL THICKNESS
MATERIAL
SURFACE FINISH;
Required Description
4 CIRCULAR
1.047 INCHES MINIMUM AND
1.062 INCHES MAXIMUM
0.089 INCHES MINIMUM