National Item Identification Number
00-409-4989
004094989
9340-00-409-4989
9340004094989
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)
80378
80378
Reference Numbers (Part Numbers)
PL216-40443
216-40443-1
Required Categories
MATERIAL
SURFACE FINISH
MATERIAL TRANSPARENCY
EDGE TYPE
TEMP AT MAXIMUM OPER
Required Description
GLASS
FINE FINISHED
CLEAR
BEVELED
NOT RATED
NOT RATED
NOT RATED
NOT RATED