NSN 9340-01-416-8420
Part Details | OBSERVATION WINDOW
9340-01-416-8420 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: 711363, 9340-01-416-8420, 01-416-8420, 9340014168420, 014168420
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
93 | JUL 26, 1995 | 01-416-8420 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
CHAMFERED CORNERS

Cross Reference | NSN 9340-01-416-8420
Part Number | Cage Code | Manufacturer |
---|---|---|
711363 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
Technical Data | NSN 9340-01-416-8420
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | CHAMFERED CORNERS |
OVERALL LENGTH | 4.022 INCHES MINIMUM AND 4.052 INCHES MAXIMUM |
OVERALL WIDTH | 0.658 INCHES MINIMUM AND 0.678 INCHES MAXIMUM |
OVERALL THICKNESS | 0.131 INCHES MINIMUM AND 0.146 INCHES MAXIMUM |
MATERIAL | GLASS BOROSILICATE |
SURFACE FINISH | POLISHED |
MATERIAL TRANSPARENCY | CLEAR |
FEATURES PROVIDED | TEMPERED |
SPECIAL FEATURES | SURFACES (EXCLUDING EDGES) MUST BE POLISHED TO 50 MICRONS; BOROSILICATE GLASS: CORNING PYREX 7740 OR SCHOTT TEMPAX. |
END ITEM IDENTIFICATION | F14-B/D |