National Item Identification Number
00-540-9049
005409049
9340-00-540-9049
9340005409049
National Stock Number
Item Name
WINDOW,OBSERVATION
Federal Supply Class
9340
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)
D9182
Reference Numbers (Part Numbers)
1259860
1259860REVC
Required Categories
STYLE DESIGNATOR
OVERALL DIAMETER
OVERALL THICKNESS
SURFACE FINISH
MATERIAL
Required Description
4 CIRCULAR
12.000 INCHES NOMINAL
0.062 INCHES NOMINAL
POLISHED
CLEAR
BEVELE