NSN 9340-00-261-5709

Part Details | OBSERVATION WINDOW


9340-00-261-5709 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, 8051749037 REV, 805-1749037 REV, 3285756PC12, 65082APC3, 6-5082APC3, 15002APC8, 1-5002APC8, 70233025PCGLS, 702-33025PCGLS, MC139APC2, 70233025PCGLS, 702-33025PCGLS, 4113049, 41-13049, 9340-00-261-5709, 00-261-5709, 9340002615709, 002615709

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
93JAN 01, 196300-261-570916880 ( WINDOW, OBSERVATION )
REFERENCE DRAWINGS & PICTURES

CIRCULAR


Cross Reference | NSN 9340-00-261-5709
Part Number Cage Code Manufacturer
MILG269781349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
805-1749037 REV80064NAVAL SHIP SYSTEMS COMMAND
3285756PC1280064NAVAL SHIP SYSTEMS COMMAND
6-5082APC377928ROSTAND MFG CO THE
1-5002APC877928ROSTAND MFG CO THE
702-33025PCGLS97578TIMKEN GEARS & SERVICES INC.DBA PHILADELPHIA GEAR
MC139APC287928TORREY ROLLER BUSHING WORKS
702-33025PCGLS82402TRIUMPH GEAR SYSTEMS, INC.DBA TRIUMPH GEAR SYSTEMS- PARK CITY
41-1304982402TRIUMPH GEAR SYSTEMS, INC.DBA TRIUMPH GEAR SYSTEMS- PARK CITY

Technical Data | NSN 9340-00-261-5709
Characteristic Specifications
STYLE DESIGNATOR CIRCULAR
OVERALL DIAMETER12.438 INCHES MINIMUM AND 12.562 INCHES MAXIMUM
OVERALL THICKNESS0.688 INCHES MINIMUM AND 0.812 INCHES MAXIMUM
MATERIAL GLASS
MATERIAL DOCUMENT AND CLASSIFICATIONDD-G-541,TYPE 1,CLASS A FED SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISH POLISHED
MATERIAL TRANSPARENCY CLEAR
EDGE TYPE BEVELED
PLY QUANTITY1
ENVIRONMENTAL PROTECTION WEATHER RESISTANT
NONDEFINITIVE SPEC/STD DATAA TYPE