NSN 9340-00-527-6251

Part Details | OBSERVATION WINDOW

9340-00-527-6251 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: MILG2697, 9340-00-527-6251, 00-527-6251, 9340005276251, 005276251

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
93JAN 01, 196300-527-625116880 ( WINDOW, OBSERVATION )
REFERENCE DRAWINGS & PICTURES

CIRCULAR

Cross Reference | NSN 9340-00-527-6251
Part Number Cage Code Manufacturer
MILG269781349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 9340-00-527-6251
Characteristic Specifications
STYLE DESIGNATOR CIRCULAR
OVERALL DIAMETER1.938 INCHES MINIMUM AND 2.062 INCHES MAXIMUM
OVERALL THICKNESS0.078 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
MATERIAL GLASS
MATERIAL DOCUMENT AND CLASSIFICATIONDD-G-451,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISH POLISHED
MATERIAL TRANSPARENCY CLEAR
EDGE TYPE BEVELED
PLY QUANTITY1
NONDEFINITIVE SPEC/STD DATAA TYPE