NSN 9340-00-989-5946

Part Details | OBSERVATION WINDOW

9340-00-989-5946 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: 9340009895946, 8619923, 9340-00-989-5946, 00-989-5946, 9340009895946, 009895946

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
93JAN 01, 196200-989-594616880 ( WINDOW, OBSERVATION )
REFERENCE DRAWINGS & PICTURES

ROUNDED CORNERS

Cross Reference | NSN 9340-00-989-5946
Part Number Cage Code Manufacturer
9340009895946SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
861992319200US ARMY ARDEC RDECOM
Technical Data | NSN 9340-00-989-5946
Characteristic Specifications
STYLE DESIGNATOR ROUNDED CORNERS
OVERALL LENGTH4.850 INCHES MINIMUM AND 4.865 INCHES MAXIMUM
OVERALL WIDTH3.037 INCHES MINIMUM AND 3.052 INCHES MAXIMUM
OVERALL THICKNESS0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
FIRST CORNER RADIUS0.187 INCHES NOMINAL
SECOND CORNER RADIUS0.187 INCHES NOMINAL
THIRD CORNER RADIUS0.187 INCHES NOMINAL
FOURTH CORNER RADIUS0.187 INCHES NOMINAL
MATERIAL GLASS
SURFACE FINISH POLISHED
MATERIAL TRANSPARENCY CLEAR
PLY QUANTITY1
SPECIAL FEATURESLIGHT DEVIATION NOT TO EXCEED 3 MIN OF ARC AND SURFACE QUALITY 80-50