NSN 9340-01-127-1280

Part Details | OBSERVATION WINDOW

9340-01-127-1280 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: 13040147, 9340-01-127-1280, 01-127-1280, 9340011271280, 011271280

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
93FEB 24, 198201-127-128016880 ( WINDOW, OBSERVATION )
REFERENCE DRAWINGS & PICTURES

CIRCULAR

Cross Reference | NSN 9340-01-127-1280
Part Number Cage Code Manufacturer
1304014718876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 9340-01-127-1280
Characteristic Specifications
STYLE DESIGNATOR CIRCULAR
OVERALL DIAMETER1.290 INCHES MINIMUM AND 1.300 INCHES MAXIMUM
OVERALL THICKNESS0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
MATERIAL GLASS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-174,TYPE 517-642,CLASS 1,GRADE B,FINE ANNEALED MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISH POLISHED
MATERIAL TRANSPARENCY CLEAR
EDGE TYPE BEVELED
ENVIRONMENTAL PROTECTIONJ ANY ACCEPTABLE AND SALT WATER RESISTANT
FEATURES PROVIDED LIGHT REDUCING
FRAGILITY FACTOR MODERATELY DELICATE
FSC APPLICATION DATAFIRE CONTROL DESIGNATING AND INDICATING EQUIPMENT (NON-AIRBORNE)