National Item Identification Number
01-442-1663
014421663
9340-01-442-1663
9340014421663
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)
28199
HENSCHEL INC
DBA L-3 HENSCHEL
9 MALCOLM HOYT DR
NEWBURYPORT
MA
01950
978-462-2400
28199
HENSCHEL INC
DBA L-3 HENSCHEL
9 MALCOLM HOYT DR
NEWBURYPORT
MA
01950
978-462-2400
Reference Numbers (Part Numbers)
A-20041
10-1928-1 ITEM NO. 6
Required Categories
STYLE DESIGNATOR
OVERALL DIAMETER
OVERALL THICKNESS
MATERIAL
SURFACE FINISH;
Required Description
4 CIRCULAR
7.656 INCHES MINIMUM AND
7.781 INCHES MAXIMUM
0.375 INCHES NOMINAL