NSN 9340-00-555-8123

Part Details | OBSERVATION WINDOW

9340-00-555-8123 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.

Alternate Parts: 8261620, 9340-00-555-8123, 00-555-8123, 9340005558123, 005558123

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
93JAN 01, 196300-555-812316880 ( WINDOW, OBSERVATION )
REFERENCE DRAWINGS & PICTURES

ROUNDED CORNERS

Cross Reference | NSN 9340-00-555-8123
Part Number Cage Code Manufacturer
826162019200US ARMY ARDEC RDECOM
Technical Data | NSN 9340-00-555-8123
Characteristic Specifications
STYLE DESIGNATOR ROUNDED CORNERS
OVERALL LENGTH5.286 INCHES MINIMUM AND 5.296 INCHES MAXIMUM
OVERALL WIDTH1.927 INCHES MINIMUM AND 1.937 INCHES MAXIMUM
OVERALL THICKNESS0.312 INCHES NOMINAL
FIRST CORNER RADIUS0.625 INCHES NOMINAL
SECOND CORNER RADIUS0.625 INCHES NOMINAL
THIRD CORNER RADIUS0.625 INCHES NOMINAL
FOURTH CORNER RADIUS0.625 INCHES NOMINAL
MATERIAL GLASS
SURFACE FINISH POLISHED
MATERIAL TRANSPARENCY CLEAR
PLY QUANTITY1
SPECIAL FEATURESLIGHT DEVIATION NOT TO EXCEED 10 MIN OF ARC AND SURFACE QUALITY 80-50