National Item Identification Number
01-308-8408
013088408
9340-01-308-8408
9340013088408
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)
09647
AQUA-CHEM INC
DBA WATER TECHNOLOGIES DIVISION
3232 W LANCASTER AVE
MILWAUKEE
WI
53209
414-438-5548
Reference Numbers (Part Numbers)
550-B-7537
Required Categories
STYLE DESIGNATOR
OVERALL DIAMETER
OVERALL THICKNESS
MATERIAL
MATERIAL TRANSP
Required Description
4 CIRCULAR
6.000 INCHES NOMINAL
1.000 INCHES NOMINAL
GLASS BOROSILICATE
CLEA