National Item Identification Number
00-540-6977
005406977
9330-00-540-6977
9330005406977
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
Reference Numbers (Part Numbers)
9005656
Required Categories
OVERALL DIAMETER
OVERALL THICKNESS
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICAT
Required Description
10.438 INCHES NOMINAL
0.094 INCHES NOMINAL
PLASTIC
MIL-P-5425,FINISH A MIL SP